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40153787901 = 324461531989
BaseRepresentation
bin100101011001010110…
…100010110111111101
310211122101102202211200
4211121112202313331
51124213332203101
630240231010113
72621022365013
oct453126426775
9124571382750
1040153787901
1116035848187
127947509939
133a2bba9616
141d2cba08b3
1510a0263986
hex9595a2dfd

40153787901 has 6 divisors (see below), whose sum is σ = 57999915870. Its totient is φ = 26769191928.

The previous prime is 40153787879. The next prime is 40153787909. The reversal of 40153787901 is 10978735104.

40153787901 is a `hidden beast` number, since 40 + 1 + 537 + 8 + 79 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38435602500 + 1718185401 = 196050^2 + 41451^2 .

It is not a de Polignac number, because 40153787901 - 225 = 40120233469 is a prime.

It is a super-2 number, since 2×401537879012 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40153787909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2230765986 + ... + 2230766003.

It is an arithmetic number, because the mean of its divisors is an integer number (9666652645).

Almost surely, 240153787901 is an apocalyptic number.

It is an amenable number.

40153787901 is a deficient number, since it is larger than the sum of its proper divisors (17846127969).

40153787901 is a wasteful number, since it uses less digits than its factorization.

40153787901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461531995 (or 4461531992 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 40153787901 in words is "forty billion, one hundred fifty-three million, seven hundred eighty-seven thousand, nine hundred one".

Divisors: 1 3 9 4461531989 13384595967 40153787901