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1340156070 = 23351121719127
BaseRepresentation
bin100111111100001…
…0010100010100110
310110101201222112000
41033320102202212
510221034443240
6340552110130
745132065361
oct11770224246
93411658460
101340156070
11628535100
12314995346
13184857876
14c9db50d8
157c9c3430
hex4fe128a6

1340156070 has 384 divisors, whose sum is σ = 4412620800. Its totient is φ = 287400960.

The previous prime is 1340156063. The next prime is 1340156093. The reversal of 1340156070 is 706510431.

1340156070 is a `hidden beast` number, since 1 + 3 + 40 + 15 + 607 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10552347 + ... + 10552473.

It is an arithmetic number, because the mean of its divisors is an integer number (11491200).

Almost surely, 21340156070 is an apocalyptic number.

1340156070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340156070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2206310400).

1340156070 is an abundant number, since it is smaller than the sum of its proper divisors (3072464730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340156070 is a wasteful number, since it uses less digits than its factorization.

1340156070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1340156070 is about 36608.1421271279. The cubic root of 1340156070 is about 1102.5165715497.

The spelling of 1340156070 in words is "one billion, three hundred forty million, one hundred fifty-six thousand, seventy".