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1613389956488 = 23239218792
BaseRepresentation
bin10111011110100101100…
…010010000010110001000
312201020102220211202011122
4113132211202100112020
5202413210312101423
63233103042014412
7224364210233042
oct27364542202610
95636386752148
101613389956488
11572264629a32
12220829047408
13b91b0030a0b
1458134b64a92
152be7bdb38c8
hex177a5890588

1613389956488 has 36 divisors (see below), whose sum is σ = 3039434056215. Its totient is φ = 802892160336.

The previous prime is 1613389956463. The next prime is 1613389956491. The reversal of 1613389956488 is 8846599833161.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 806694978244 + 806694978244 = 898162^2 + 898162^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=898162.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 858641933 + ... + 858643811.

Almost surely, 21613389956488 is an apocalyptic number.

It is an amenable number.

1613389956488 is a deficient number, since it is larger than the sum of its proper divisors (1426044099727).

1613389956488 is an frugal number, since it uses more digits than its factorization.

1613389956488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242 (or 2120 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 71.

The spelling of 1613389956488 in words is "one trillion, six hundred thirteen billion, three hundred eighty-nine million, nine hundred fifty-six thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 239 478 956 1879 1912 3758 7516 15032 57121 114242 228484 449081 456968 898162 1796324 3530641 3592648 7061282 14122564 28245128 107330359 214660718 429321436 843823199 858642872 1687646398 3375292796 6750585592 201673744561 403347489122 806694978244 1613389956488