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7040972010 = 235279783911
BaseRepresentation
bin1101000111010110…
…01011010011101010
3200011200211102211010
412203223023103222
5103404442101020
63122400244350
7336324163122
oct64353132352
920150742733
107040972010
112a93499536
1214460106b6
13882950037
144ab183c82
152b320dde0
hex1a3acb4ea

7040972010 has 32 divisors (see below), whose sum is σ = 16904575872. Its totient is φ = 1876898880.

The previous prime is 7040971997. The next prime is 7040972011. The reversal of 7040972010 is 102790407.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (7040972011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41955 + ... + 125865.

It is an arithmetic number, because the mean of its divisors is an integer number (528267996).

Almost surely, 27040972010 is an apocalyptic number.

It is a pronic number, being equal to 83910×83911.

7040972010 is an abundant number, since it is smaller than the sum of its proper divisors (9863603862).

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

7040972010 is a wasteful number, since it uses less digits than its factorization.

7040972010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86718.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 7040972010 is about 83910.4999985103. The cubic root of 7040972010 is about 1916.6561453571.

The spelling of 7040972010 in words is "seven billion, forty million, nine hundred seventy-two thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 2797 5594 8391 13985 16782 27970 41955 83910 83911 167822 251733 419555 503466 839110 1258665 2517330 234699067 469398134 704097201 1173495335 1408194402 2346990670 3520486005 7040972010