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158916668867 = 11311547330119
BaseRepresentation
bin1001010000000000101…
…0111110110111000011
3120012012011202020001122
42110000022332313003
510100430131400432
6201001051422455
714324050253255
oct2240012766703
9505164666048
10158916668867
116143a353480
1226970a54a2b
1311ca79a4098
147997ab3cd5
1542017ea612
hex25002bedc3

158916668867 has 16 divisors (see below), whose sum is σ = 178973521920. Its totient is φ = 139795708800.

The previous prime is 158916668851. The next prime is 158916668903. The reversal of 158916668867 is 768866619851.

It is not a de Polignac number, because 158916668867 - 24 = 158916668851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158916668867.

It is not an unprimeable number, because it can be changed into a prime (158916668467) 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 15 ways as a sum of consecutive naturals, for example, 5261234 + ... + 5291352.

It is an arithmetic number, because the mean of its divisors is an integer number (11185845120).

Almost surely, 2158916668867 is an apocalyptic number.

158916668867 is a deficient number, since it is larger than the sum of its proper divisors (20056853053).

158916668867 is a wasteful number, since it uses less digits than its factorization.

158916668867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45634.

The product of its digits is 209018880, while the sum is 71.

The spelling of 158916668867 in words is "one hundred fifty-eight billion, nine hundred sixteen million, six hundred sixty-eight thousand, eight hundred sixty-seven".

Divisors: 1 11 31 341 15473 30119 170203 331309 479663 933689 5276293 10270579 466031287 5126344157 14446969897 158916668867