Search a number
-
+
157516075434 = 23732411492223
BaseRepresentation
bin1001001010110010110…
…0001001000110101010
3120001120120021201001210
42102230230021012222
510040043103403214
6200210100053550
714244252356424
oct2225454110652
9501516251053
10157516075434
1160890799943
122663b9942b6
1311b13778483
1478a3a89814
15416d889b59
hex24acb091aa

157516075434 has 32 divisors (see below), whose sum is σ = 320672968704. Its totient is φ = 51571192320.

The previous prime is 157516075427. The next prime is 157516075447. The reversal of 157516075434 is 434570615751.

It is a super-2 number, since 2×1575160754342 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640554 + ... + 851669.

It is an arithmetic number, because the mean of its divisors is an integer number (10021030272).

Almost surely, 2157516075434 is an apocalyptic number.

157516075434 is an abundant number, since it is smaller than the sum of its proper divisors (163156893270).

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

157516075434 is a wasteful number, since it uses less digits than its factorization.

157516075434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492542.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 157516075434 in words is "one hundred fifty-seven billion, five hundred sixteen million, seventy-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 73 146 219 241 438 482 723 1446 17593 35186 52779 105558 1492223 2984446 4476669 8953338 108932279 217864558 326796837 359625743 653593674 719251486 1078877229 2157754458 26252679239 52505358478 78758037717 157516075434