Search a number
-
+
157816003492 = 22731318007303
BaseRepresentation
bin1001001011111010010…
…0010001101110100100
3120002100110122122000101
42102332210101232210
510041201344102432
6200255532353444
714254553616310
oct2227644215644
9502313578011
10157816003492
1160a25024274
1226704315884
1311b6094c5b4
1478d1840b40
154189d824e7
hex24be911ba4

157816003492 has 24 divisors (see below), whose sum is σ = 316640433536. Its totient is φ = 67419338688.

The previous prime is 157816003489. The next prime is 157816003507. The reversal of 157816003492 is 294300618751.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8994888 + ... + 9012415.

It is a 1-persistent number, because it is pandigital, but 2⋅157816003492 = 315632006984 is not.

Almost surely, 2157816003492 is an apocalyptic number.

It is an amenable number.

157816003492 is an abundant number, since it is smaller than the sum of its proper divisors (158824430044).

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

157816003492 is a wasteful number, since it uses less digits than its factorization.

157816003492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18007627 (or 18007625 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 157816003492 in words is "one hundred fifty-seven billion, eight hundred sixteen million, three thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 313 626 1252 2191 4382 8764 18007303 36014606 72029212 126051121 252102242 504204484 5636285839 11272571678 22545143356 39454000873 78908001746 157816003492