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40722187574431 = 1183187547237821
BaseRepresentation
bin10010100001001010111111…
…00001100101110010011111
312100012000002021020222021101
421100211133201211302133
520314143020004340211
6222335303102213531
711402036525122126
oct1120453741456237
9170160067228241
1040722187574431
1111a80201295840
1246982962842a7
1319951166b006c
14a0ad7042aabd
154a9426b055c1
hex25095f865c9f

40722187574431 has 16 divisors (see below), whose sum is σ = 44959864779648. Its totient is φ = 36573795570400.

The previous prime is 40722187574417. The next prime is 40722187574437. The reversal of 40722187574431 is 13447578122704.

It is not a de Polignac number, because 40722187574431 - 25 = 40722187574399 is a prime.

It is a super-2 number, since 2×407221875744312 (a number of 28 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 (40722187574437) 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, 171111501 + ... + 171349321.

It is an arithmetic number, because the mean of its divisors is an integer number (2809991548728).

Almost surely, 240722187574431 is an apocalyptic number.

40722187574431 is a deficient number, since it is larger than the sum of its proper divisors (4237677205217).

40722187574431 is a wasteful number, since it uses less digits than its factorization.

40722187574431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425462.

The product of its (nonzero) digits is 10536960, while the sum is 55.

The spelling of 40722187574431 in words is "forty trillion, seven hundred twenty-two billion, one hundred eighty-seven million, five hundred seventy-four thousand, four hundred thirty-one".

Divisors: 1 11 83 913 187547 237821 2063017 2616031 15566401 19739143 171230411 217130573 44602615087 490628765957 3702017052221 40722187574431