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133761971454 = 23171311391877
BaseRepresentation
bin111110010010011010…
…1011011010011111110
3110210021002202012021220
41330210311123103332
54142421031041304
6141241023134210
712443513666106
oct1744465332376
9423232665256
10133761971454
1151801166a51
1221b10744366
13c7c93b5847
14668cd7c206
15372d26bad9
hex1f24d5b4fe

133761971454 has 16 divisors (see below), whose sum is σ = 283260645648. Its totient is φ = 41964540032.

The previous prime is 133761971443. The next prime is 133761971461. The reversal of 133761971454 is 454179167331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 133761971397 and 133761971406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655695837 + ... + 655696040.

It is an arithmetic number, because the mean of its divisors is an integer number (17703790353).

Almost surely, 2133761971454 is an apocalyptic number.

133761971454 is an abundant number, since it is smaller than the sum of its proper divisors (149498674194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133761971454 is a wasteful number, since it uses less digits than its factorization.

133761971454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311391899.

The product of its digits is 1905120, while the sum is 51.

The spelling of 133761971454 in words is "one hundred thirty-three billion, seven hundred sixty-one million, nine hundred seventy-one thousand, four hundred fifty-four".

Divisors: 1 2 3 6 17 34 51 102 1311391877 2622783754 3934175631 7868351262 22293661909 44587323818 66880985727 133761971454