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154457274152 = 2319307159269
BaseRepresentation
bin1000111111011001011…
…1101111011100101000
3112202200101121111112102
42033312113233130220
510012312030233102
6154542351232532
714105411111426
oct2176627573450
9482611544472
10154457274152
115a5611171a5
1225b27518748
1311746b4679c
147693738116
15404007d402
hex23f65ef728

154457274152 has 8 divisors (see below), whose sum is σ = 289607389050. Its totient is φ = 77228637072.

The previous prime is 154457274113. The next prime is 154457274173. The reversal of 154457274152 is 251472754451.

It can be written as a sum of positive squares in only one way, i.e., 150409006276 + 4048267876 = 387826^2 + 63626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 154457274097 and 154457274106.

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 as a sum of consecutive naturals, namely, 9653579627 + ... + 9653579642.

Almost surely, 2154457274152 is an apocalyptic number.

It is an amenable number.

154457274152 is a deficient number, since it is larger than the sum of its proper divisors (135150114898).

154457274152 is a wasteful number, since it uses less digits than its factorization.

154457274152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19307159275 (or 19307159271 counting only the distinct ones).

The product of its digits is 1568000, while the sum is 47.

The spelling of 154457274152 in words is "one hundred fifty-four billion, four hundred fifty-seven million, two hundred seventy-four thousand, one hundred fifty-two".

Divisors: 1 2 4 8 19307159269 38614318538 77228637076 154457274152