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40870006902 = 23213011745239
BaseRepresentation
bin100110000100000010…
…101101000001110110
310220111022010110121100
4212010002231001312
51132200210210102
630435254030530
72644540220034
oct460402550166
9126438113540
1040870006902
111637306510a
127b07348446
133b143a714a
141d99d5b554
1510e308ba1c
hex9840ad076

40870006902 has 24 divisors (see below), whose sum is σ = 88619796720. Its totient is φ = 13612856400.

The previous prime is 40870006873. The next prime is 40870006909. The reversal of 40870006902 is 20960007804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40870006909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 849202 + ... + 896037.

It is an arithmetic number, because the mean of its divisors is an integer number (3692491530).

Almost surely, 240870006902 is an apocalyptic number.

40870006902 is an abundant number, since it is smaller than the sum of its proper divisors (47749789818).

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

40870006902 is a wasteful number, since it uses less digits than its factorization.

40870006902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746548 (or 1746545 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 40870006902 in words is "forty billion, eight hundred seventy million, six thousand, nine hundred two".

Divisors: 1 2 3 6 9 18 1301 2602 3903 7806 11709 23418 1745239 3490478 5235717 10471434 15707151 31414302 2270555939 4541111878 6811667817 13623335634 20435003451 40870006902