Search a number
-
+
155293063289 = 7131706517179
BaseRepresentation
bin1001000010100000110…
…0000001100001111001
3112211211122021222200122
42100220030001201321
510021020011011124
6155201325143025
714135210154440
oct2205014014171
9484748258618
10155293063289
115a94a981a21
122611b3baa75
131184b04a680
14773273bd57
15408d62475e
hex2428301879

155293063289 has 8 divisors (see below), whose sum is σ = 191129924160. Its totient is φ = 122869236816.

The previous prime is 155293063271. The next prime is 155293063307. The reversal of 155293063289 is 982360392551.

It is an interprime number because it is at equal distance from previous prime (155293063271) and next prime (155293063307).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155293063289 - 228 = 155024627833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155293063289.

It is not an unprimeable number, because it can be changed into a prime (155293063259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853258499 + ... + 853258680.

It is an arithmetic number, because the mean of its divisors is an integer number (23891240520).

Almost surely, 2155293063289 is an apocalyptic number.

It is an amenable number.

155293063289 is a deficient number, since it is larger than the sum of its proper divisors (35836860871).

155293063289 is a wasteful number, since it uses less digits than its factorization.

155293063289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706517199.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 155293063289 in words is "one hundred fifty-five billion, two hundred ninety-three million, sixty-three thousand, two hundred eighty-nine".

Divisors: 1 7 13 91 1706517179 11945620253 22184723327 155293063289