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157621464002 = 21794363100913
BaseRepresentation
bin1001001011001011111…
…0001010101111000010
3120001211220121000000002
42102302332022233002
510040302043322002
6200224343000002
714250002223632
oct2226276125702
9501756530002
10157621464002
1160935230932
122666b139002
1311b2c557882
1478b3a806c2
154177c56002
hex24b2f8abc2

157621464002 has 16 divisors (see below), whose sum is σ = 237809895840. Its totient is φ = 78351709632.

The previous prime is 157621463999. The next prime is 157621464017. The reversal of 157621464002 is 200464126751.

It is a happy number.

157621464002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511498 + ... + 1612410.

It is an arithmetic number, because the mean of its divisors is an integer number (14863118490).

Almost surely, 2157621464002 is an apocalyptic number.

157621464002 is a deficient number, since it is larger than the sum of its proper divisors (80188431838).

157621464002 is a wasteful number, since it uses less digits than its factorization.

157621464002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105457.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 157621464002 in words is "one hundred fifty-seven billion, six hundred twenty-one million, four hundred sixty-four thousand, two".

Divisors: 1 2 179 358 4363 8726 100913 201826 780977 1561954 18063427 36126854 440283419 880566838 78810732001 157621464002