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151681683457 = 2632531227869
BaseRepresentation
bin1000110101000011101…
…1101101000000000001
3112111111221211212220001
42031100323231000001
54441121002332312
6153403120520001
713646546015323
oct2152073550001
9474457755801
10151681683457
11593673a0897
1225491a80001
13113c3ab4925
1474acc69613
153e2b566057
hex2350eed001

151681683457 has 8 divisors (see below), whose sum is σ = 152319245760. Its totient is φ = 151044582480.

The previous prime is 151681683449. The next prime is 151681683497. The reversal of 151681683457 is 754386186151.

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 151681683457 - 23 = 151681683449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151681683398 and 151681683407.

It is not an unprimeable number, because it can be changed into a prime (151681683497) 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, 551719 + ... + 779587.

It is an arithmetic number, because the mean of its divisors is an integer number (19039905720).

Almost surely, 2151681683457 is an apocalyptic number.

It is an amenable number.

151681683457 is a deficient number, since it is larger than the sum of its proper divisors (637562303).

151681683457 is a wasteful number, since it uses less digits than its factorization.

151681683457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230663.

The product of its digits is 4838400, while the sum is 55.

The spelling of 151681683457 in words is "one hundred fifty-one billion, six hundred eighty-one million, six hundred eighty-three thousand, four hundred fifty-seven".

Divisors: 1 263 2531 227869 665653 59929547 576736439 151681683457