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2115114552 = 233347920443
BaseRepresentation
bin111111000010010…
…0001011000111000
312110101221221201000
41332010201120320
513312432131202
6545514125000
7103262114505
oct17604413070
95411857630
102115114552
11995a21961
124b0420760
13279280695
14160ca24ac
15c5a5091c
hex7e121638

2115114552 has 64 divisors (see below), whose sum is σ = 5887872000. Its totient is φ = 703531872.

The previous prime is 2115114511. The next prime is 2115114577. The reversal of 2115114552 is 2554115112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93243 + ... + 113685.

It is an arithmetic number, because the mean of its divisors is an integer number (91998000).

Almost surely, 22115114552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2115114552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2943936000).

2115114552 is an abundant number, since it is smaller than the sum of its proper divisors (3772757448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115114552 is a wasteful number, since it uses less digits than its factorization.

2115114552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20937 (or 20927 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 2115114552 is about 45990.3745581616. The cubic root of 2115114552 is about 1283.6441060979.

Adding to 2115114552 its reverse (2554115112), we get a palindrome (4669229664).

The spelling of 2115114552 in words is "two billion, one hundred fifteen million, one hundred fourteen thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 479 958 1437 1916 2874 3832 4311 5748 8622 11496 12933 17244 20443 25866 34488 40886 51732 61329 81772 103464 122658 163544 183987 245316 367974 490632 551961 735948 1103922 1471896 2207844 4415688 9792197 19584394 29376591 39168788 58753182 78337576 88129773 117506364 176259546 235012728 264389319 352519092 528778638 705038184 1057557276 2115114552