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40143225157 = 723126427403
BaseRepresentation
bin100101011000101110…
…010000000101000101
310211121122120010110221
4211120232100011011
51124203131201112
630235212344341
72620533532600
oct453056200505
9124548503427
1040143225157
111602a893242
127943a750b1
133a2994b889
141d2b611337
15109e378e07
hex958b90145

40143225157 has 12 divisors (see below), whose sum is σ = 48203584896. Its totient is φ = 33298526520.

The previous prime is 40143225151. The next prime is 40143225163. The reversal of 40143225157 is 75152234104.

It is an interprime number because it is at equal distance from previous prime (40143225151) and next prime (40143225163).

It is a de Polignac number, because none of the positive numbers 2k-40143225157 is a prime.

It is a super-2 number, since 2×401432251572 (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 (40143225151) 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, 13212183 + ... + 13215220.

It is an arithmetic number, because the mean of its divisors is an integer number (4016965408).

Almost surely, 240143225157 is an apocalyptic number.

It is an amenable number.

40143225157 is a deficient number, since it is larger than the sum of its proper divisors (8060359739).

40143225157 is a wasteful number, since it uses less digits than its factorization.

40143225157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26427448 (or 26427441 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 40143225157 in words is "forty billion, one hundred forty-three million, two hundred twenty-five thousand, one hundred fifty-seven".

Divisors: 1 7 31 49 217 1519 26427403 184991821 819249493 1294942747 5734746451 40143225157