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155005160153 = 1131371727081
BaseRepresentation
bin1001000001011100000…
…1110000101011011001
3112211002120112222211112
42100113001300223121
510014422310111103
6155113002310105
714125113056624
oct2202701605331
9484076488745
10155005160153
115a812410048
122605aab8335
13118034c699c
1477063d6dbb
154073204cd8
hex2417070ad9

155005160153 has 4 divisors (see below), whose sum is σ = 156376887348. Its totient is φ = 153633432960.

The previous prime is 155005160129. The next prime is 155005160171. The reversal of 155005160153 is 351061500551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64603913929 + 90401246224 = 254173^2 + 300668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-155005160153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155005160113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685863428 + ... + 685863653.

It is an arithmetic number, because the mean of its divisors is an integer number (39094221837).

Almost surely, 2155005160153 is an apocalyptic number.

It is an amenable number.

155005160153 is a deficient number, since it is larger than the sum of its proper divisors (1371727195).

155005160153 is a wasteful number, since it uses less digits than its factorization.

155005160153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371727194.

The product of its (nonzero) digits is 11250, while the sum is 32.

The spelling of 155005160153 in words is "one hundred fifty-five billion, five million, one hundred sixty thousand, one hundred fifty-three".

Divisors: 1 113 1371727081 155005160153