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40556553031 = 79557921677
BaseRepresentation
bin100101110001010110…
…111110001101000111
310212200110022100201201
4211301112332031013
51131024434144111
630344215403331
72634013004251
oct456126761507
9125613270651
1040556553031
1116222131625
127a3a383547
133a94478697
141d6a484cd1
1510c57c16c1
hex9715be347

40556553031 has 8 divisors (see below), whose sum is σ = 41143705920. Its totient is φ = 39971244768.

The previous prime is 40556552963. The next prime is 40556553101. The reversal of 40556553031 is 13035565504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40556553031 - 217 = 40556421959 is a prime.

It is a super-2 number, since 2×405565530312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40556553731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416836 + ... + 504841.

It is an arithmetic number, because the mean of its divisors is an integer number (5142963240).

Almost surely, 240556553031 is an apocalyptic number.

40556553031 is a deficient number, since it is larger than the sum of its proper divisors (587152889).

40556553031 is an equidigital number, since it uses as much as digits as its factorization.

40556553031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922313.

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 40556553031 in words is "forty billion, five hundred fifty-six million, five hundred fifty-three thousand, thirty-one".

Divisors: 1 79 557 44003 921677 72812483 513374089 40556553031