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157457458743 = 31341271363367
BaseRepresentation
bin1001001010100100110…
…0100010011000110111
3120001102110222200002020
42102221030202120313
510034433102134433
6200200203444223
714242641213324
oct2225114423067
9501373880066
10157457458743
11608606a32a2
1226624226673
1311b04594040
147899d8bb4b
15416865bcb3
hex24a9322637

157457458743 has 32 divisors (see below), whose sum is σ = 232462497792. Its totient is φ = 94184467200.

The previous prime is 157457458727. The next prime is 157457458771. The reversal of 157457458743 is 347854754751.

It is not a de Polignac number, because 157457458743 - 24 = 157457458727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157457458703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251646 + ... + 615012.

It is an arithmetic number, because the mean of its divisors is an integer number (7264453056).

Almost surely, 2157457458743 is an apocalyptic number.

157457458743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

157457458743 is a deficient number, since it is larger than the sum of its proper divisors (75005039049).

157457458743 is a wasteful number, since it uses less digits than its factorization.

157457458743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363695.

The product of its digits is 65856000, while the sum is 60.

The spelling of 157457458743 in words is "one hundred fifty-seven billion, four hundred fifty-seven million, four hundred fifty-eight thousand, seven hundred forty-three".

Divisors: 1 3 13 39 41 123 271 533 813 1599 3523 10569 11111 33333 144443 363367 433329 1090101 4723771 14171313 14898047 44694141 98472457 193674611 295417371 581023833 1280141941 3840425823 4037370737 12112112211 52485819581 157457458743