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140087408957 = 17173223213599
BaseRepresentation
bin1000001001110111011…
…1000011100100111101
3111101120221011201021222
42002131313003210331
54243344334041312
6144204423203125
713056332220626
oct2023567034475
9441527151258
10140087408957
1154457765851
1223196ba64a5
1310296a17782
146acd0a2a4d
15399d73a672
hex209ddc393d

140087408957 has 16 divisors (see below), whose sum is σ = 149854924800. Its totient is φ = 130496416512.

The previous prime is 140087408933. The next prime is 140087409001. The reversal of 140087408957 is 759804780041.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140087408957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140087408899 and 140087408908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140087401957) 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, 549044 + ... + 762642.

It is an arithmetic number, because the mean of its divisors is an integer number (9365932800).

Almost surely, 2140087408957 is an apocalyptic number.

140087408957 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

140087408957 is a deficient number, since it is larger than the sum of its proper divisors (9767515843).

140087408957 is a wasteful number, since it uses less digits than its factorization.

140087408957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214012.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 140087408957 in words is "one hundred forty billion, eighty-seven million, four hundred eight thousand, nine hundred fifty-seven".

Divisors: 1 17 173 223 2941 3791 38579 213599 655843 3631183 36952627 47632577 628194659 809753809 8240435821 140087408957