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2115552052 = 222323519781
BaseRepresentation
bin111111000011000…
…1100001100110100
312110102210011211201
41332012030030310
513313040131202
6545531342244
7103265616145
oct17606141464
95412704751
102115552052
119961a0629
124b05b1984
132793a4863
14160d77acc
15c5ada387
hex7e18c334

2115552052 has 24 divisors (see below), whose sum is σ = 3865220352. Its totient is φ = 1011252000.

The previous prime is 2115552011. The next prime is 2115552053. The reversal of 2115552052 is 2502555112.

It is a self number, because there is not a number n which added to its sum of digits gives 2115552052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115552053) 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, 211402 + ... + 221182.

It is an arithmetic number, because the mean of its divisors is an integer number (161050848).

Almost surely, 22115552052 is an apocalyptic number.

It is an amenable number.

2115552052 is a deficient number, since it is larger than the sum of its proper divisors (1749668300).

2115552052 is a wasteful number, since it uses less digits than its factorization.

2115552052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12159 (or 12157 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 2115552052 is about 45995.1307422862. The cubic root of 2115552052 is about 1283.7326049422.

The spelling of 2115552052 in words is "two billion, one hundred fifteen million, five hundred fifty-two thousand, fifty-two".

Divisors: 1 2 4 23 46 92 2351 4702 9404 9781 19562 39124 54073 108146 216292 224963 449926 899852 22995131 45990262 91980524 528888013 1057776026 2115552052