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157457458744 = 2353371361931
BaseRepresentation
bin1001001010100100110…
…0100010011000111000
3120001102110222200002021
42102221030202120320
510034433102134434
6200200203444224
714242641213325
oct2225114423070
9501373880067
10157457458744
11608606a32a3
1226624226674
1311b04594041
147899d8bb4c
15416865bcb4
hex24a9322638

157457458744 has 16 divisors (see below), whose sum is σ = 300803164920. Its totient is φ = 77243281440.

The previous prime is 157457458727. The next prime is 157457458771. The reversal of 157457458744 is 447854754751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185680542 + ... + 185681389.

Almost surely, 2157457458744 is an apocalyptic number.

It is an amenable number.

157457458744 is a deficient number, since it is larger than the sum of its proper divisors (143345706176).

157457458744 is a wasteful number, since it uses less digits than its factorization.

157457458744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371361990 (or 371361986 counting only the distinct ones).

The product of its digits is 87808000, while the sum is 61.

The spelling of 157457458744 in words is "one hundred fifty-seven billion, four hundred fifty-seven million, four hundred fifty-eight thousand, seven hundred forty-four".

Divisors: 1 2 4 8 53 106 212 424 371361931 742723862 1485447724 2970895448 19682182343 39364364686 78728729372 157457458744