Search a number
-
+
101518680201478 = 271979349788353
BaseRepresentation
bin10111000101010010101000…
…110111110001100100000110
3111022110002110101001020001021
4113011102220313301210012
5101301240224112421403
6555525012102021354
730245324350644511
oct2705225067614406
9438402411036037
10101518680201478
112a38a915429401
12b47700071785a
13448522a6896b7
141b0d75d36bd78
15bb0b01ad38bd
hex5c54a8df1906

101518680201478 has 32 divisors (see below), whose sum is σ = 156031654363200. Its totient is φ = 49523137413120.

The previous prime is 101518680201443. The next prime is 101518680201517. The reversal of 101518680201478 is 874102086815101.

It is a happy number.

It is a super-2 number, since 2×1015186802014782 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128378950 + ... + 129167302.

It is an arithmetic number, because the mean of its divisors is an integer number (4875989198850).

Almost surely, 2101518680201478 is an apocalyptic number.

101518680201478 is a deficient number, since it is larger than the sum of its proper divisors (54512974161722).

101518680201478 is an equidigital number, since it uses as much as digits as its factorization.

101518680201478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797872.

The product of its (nonzero) digits is 860160, while the sum is 52.

The spelling of 101518680201478 in words is "one hundred one trillion, five hundred eighteen billion, six hundred eighty million, two hundred one thousand, four hundred seventy-eight".

Divisors: 1 2 71 97 142 194 6887 9349 13774 18698 663779 788353 906853 1327558 1576706 1813706 55973063 64386563 76470241 111946126 128773126 152940482 5429387111 7370312197 10858774222 14740624394 523292165987 714920283109 1046584331974 1429840566218 50759340100739 101518680201478