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152520023815 = 530504004763
BaseRepresentation
bin1000111000001011100…
…1101101111100000111
3112120200101022222122221
42032002321231330013
54444330111230230
6154022225233211
714006405545315
oct2160271557407
9476611288587
10152520023815
1159757639365
1225686792807
13114c869cb03
14754c3350b5
153e79e6327a
hex2382e6df07

152520023815 has 4 divisors (see below), whose sum is σ = 183024028584. Its totient is φ = 122016019048.

The previous prime is 152520023767. The next prime is 152520023849. The reversal of 152520023815 is 518320025251.

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

It is a cyclic number.

It is not a de Polignac number, because 152520023815 - 211 = 152520021767 is a prime.

It is a super-3 number, since 3×1525200238153 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15252002377 + ... + 15252002386.

It is an arithmetic number, because the mean of its divisors is an integer number (45756007146).

Almost surely, 2152520023815 is an apocalyptic number.

152520023815 is a deficient number, since it is larger than the sum of its proper divisors (30504004769).

152520023815 is an equidigital number, since it uses as much as digits as its factorization.

152520023815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30504004768.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 152520023815 in words is "one hundred fifty-two billion, five hundred twenty million, twenty-three thousand, eight hundred fifteen".

Divisors: 1 5 30504004763 152520023815