Search a number
-
+
3807138542207 = 7211131201452401
BaseRepresentation
bin110111011001101011001…
…000111111001001111111
3111110221220000211112101212
4313121223020333021333
5444334004431322312
612032550355355035
7542025304444400
oct67315310771177
914427800745355
103807138542207
111238664500930
12515a22bb2a7b
1321801c6cc140
14d23a335d9a7
15690745b9822
hex3766b23f27f

3807138542207 has 48 divisors (see below), whose sum is σ = 5207306265504. Its totient is φ = 2736115200000.

The previous prime is 3807138542201. The next prime is 3807138542209. The reversal of 3807138542207 is 7022458317083.

It is not a de Polignac number, because 3807138542207 - 220 = 3807137493631 is a prime.

It is a super-2 number, since 2×38071385422072 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3807138542201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8189207 + ... + 8641607.

It is an arithmetic number, because the mean of its divisors is an integer number (108485547198).

Almost surely, 23807138542207 is an apocalyptic number.

3807138542207 is a deficient number, since it is larger than the sum of its proper divisors (1400167723297).

3807138542207 is a wasteful number, since it uses less digits than its factorization.

3807138542207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453640 (or 453633 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 3807138542207 in words is "three trillion, eight hundred seven billion, one hundred thirty-eight million, five hundred forty-two thousand, two hundred seven".

Divisors: 1 7 11 13 49 77 91 143 539 637 1001 1201 7007 8407 13211 15613 58849 92477 109291 171743 452401 647339 765037 1202201 3166807 4976411 5881213 8415407 22167649 34834877 41168491 64693343 243844139 288179437 452853401 543333601 3169973807 3803335207 5976669611 7063336813 26623346449 41836687277 49443357691 77696704943 292856810939 346103503837 543876934601 3807138542207