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156230551220401 = 729629975324757
BaseRepresentation
bin100011100001011101000010…
…100000100011000010110001
3202111011111100201210211102201
4203201131002200203002301
5130434140132103023101
61312135154023543201
744623166462254150
oct4341350240430261
9674144321724381
10156230551220401
1145864006272999
121563263b5bab01
136923629859a88
142a81855a21597
15130ddada49e01
hex8e17428230b1

156230551220401 has 8 divisors (see below), whose sum is σ = 178549806363200. Its totient is φ = 133911447319728.

The previous prime is 156230551220389. The next prime is 156230551220437. The reversal of 156230551220401 is 104022155032651.

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 156230551220401 - 237 = 156093112266929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156230551220201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35588286 + ... + 39736471.

It is an arithmetic number, because the mean of its divisors is an integer number (22318725795400).

Almost surely, 2156230551220401 is an apocalyptic number.

It is an amenable number.

156230551220401 is a deficient number, since it is larger than the sum of its proper divisors (22319255142799).

156230551220401 is an equidigital number, since it uses as much as digits as its factorization.

156230551220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75621063.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 156230551220401 in words is "one hundred fifty-six trillion, two hundred thirty billion, five hundred fifty-one million, two hundred twenty thousand, four hundred one".

Divisors: 1 7 296299 2074093 75324757 527273299 22318650174343 156230551220401