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157166990954 = 2313394174687
BaseRepresentation
bin1001001001011111100…
…0011111011001101010
3120000200020102101011222
42102113320133121222
510033334222202304
6200111310022042
714232513244421
oct2222770373152
9500606371158
10157166990954
116072173a576
1226562aa7922
1311a89352bcc
14786d57a2b8
15414cdd24be
hex2497e1f66a

157166990954 has 16 divisors (see below), whose sum is σ = 243365769216. Its totient is φ = 76045285200.

The previous prime is 157166990947. The next prime is 157166990969. The reversal of 157166990954 is 459099661751.

It is a Harshad number since it is a multiple of its sum of digits (62).

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, 2066999 + ... + 2141685.

It is an arithmetic number, because the mean of its divisors is an integer number (15210360576).

Almost surely, 2157166990954 is an apocalyptic number.

157166990954 is a deficient number, since it is larger than the sum of its proper divisors (86198778262).

157166990954 is a wasteful number, since it uses less digits than its factorization.

157166990954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108661.

The product of its (nonzero) digits is 18370800, while the sum is 62.

The spelling of 157166990954 in words is "one hundred fifty-seven billion, one hundred sixty-six million, nine hundred ninety thousand, nine hundred fifty-four".

Divisors: 1 2 31 62 33941 67882 74687 149374 1052171 2104342 2315297 4630594 2534951467 5069902934 78583495477 157166990954