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2152808902 = 21076404451
BaseRepresentation
bin1000000001010001…
…0100000111000110
312120000220000122001
42000110110013012
513402104341102
6553342055514
7104230400536
oct20024240706
95500800561
102152808902
11a05228212
12500b7a59a
1328401a92a
14165cb54c6
15c8ee9487
hex805141c6

2152808902 has 4 divisors (see below), whose sum is σ = 3229213356. Its totient is φ = 1076404450.

The previous prime is 2152808891. The next prime is 2152808921. The reversal of 2152808902 is 2098082512.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538202224 + ... + 538202227.

It is an arithmetic number, because the mean of its divisors is an integer number (807303339).

Almost surely, 22152808902 is an apocalyptic number.

2152808902 is a deficient number, since it is larger than the sum of its proper divisors (1076404454).

2152808902 is a wasteful number, since it uses less digits than its factorization.

2152808902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076404453.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 2152808902 is about 46398.3717602245. The cubic root of 2152808902 is about 1291.2247051538.

The spelling of 2152808902 in words is "two billion, one hundred fifty-two million, eight hundred eight thousand, nine hundred two".

Divisors: 1 2 1076404451 2152808902