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40887046870 = 2523177769769
BaseRepresentation
bin100110000101000011…
…101101001011010110
310220112111012012001021
4212011003231023112
51132214040444440
630441103151354
72645135110165
oct460503551326
9126474165037
1040887046870
111638174352a
127b10ba555a
133b17a92177
141d9c3153dc
1510e480584a
hex9850ed2d6

40887046870 has 16 divisors (see below), whose sum is σ = 76796540640. Its totient is φ = 15643739584.

The previous prime is 40887046867. The next prime is 40887046891. The reversal of 40887046870 is 7864078804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88884655 + ... + 88885114.

It is an arithmetic number, because the mean of its divisors is an integer number (4799783790).

Almost surely, 240887046870 is an apocalyptic number.

40887046870 is a deficient number, since it is larger than the sum of its proper divisors (35909493770).

40887046870 is a wasteful number, since it uses less digits than its factorization.

40887046870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177769799.

The product of its (nonzero) digits is 2408448, while the sum is 52.

The spelling of 40887046870 in words is "forty billion, eight hundred eighty-seven million, forty-six thousand, eight hundred seventy".

Divisors: 1 2 5 10 23 46 115 230 177769769 355539538 888848845 1777697690 4088704687 8177409374 20443523435 40887046870