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115242102052 = 227112953243437
BaseRepresentation
bin110101101010011110…
…1101110110100100100
3102000110102100100111221
41223110331232310210
53342003434231202
6124535210110124
711216543463550
oct1532475566444
9360412310457
10115242102052
1144968186a60
121a40241b344
13ab3756433c
1458134a6860
152ee7423037
hex1ad4f6ed24

115242102052 has 96 divisors (see below), whose sum is σ = 265016344320. Its totient is φ = 42533137920.

The previous prime is 115242101983. The next prime is 115242102061. The reversal of 115242102052 is 250201242511.

It is a super-2 number, since 2×1152421020522 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351678 + ... + 595114.

It is an arithmetic number, because the mean of its divisors is an integer number (2760586920).

Almost surely, 2115242102052 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 115242102052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132508172160).

115242102052 is an abundant number, since it is smaller than the sum of its proper divisors (149774242268).

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

115242102052 is a wasteful number, since it uses less digits than its factorization.

115242102052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243541 (or 243539 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 115242102052 its reverse (250201242511), we get a palindrome (365443344563).

The spelling of 115242102052 in words is "one hundred fifteen billion, two hundred forty-two million, one hundred two thousand, fifty-two".

Divisors: 1 2 4 7 11 14 22 28 29 44 53 58 77 106 116 154 203 212 308 319 371 406 583 638 742 812 1166 1276 1484 1537 2233 2332 3074 4081 4466 6148 8162 8932 10759 16324 16907 21518 33814 43036 67628 118349 236698 243437 473396 486874 973748 1704059 2677807 3408118 5355614 6816236 7059673 10711228 12902161 14119346 18744649 25804322 28238692 37489298 49417711 51608644 74978596 77656403 90315127 98835422 141923771 155312806 180630254 197670844 283847542 310625612 361260508 374162669 543594821 567695084 748325338 993466397 1087189642 1496650676 1986932794 2174379284 2619138683 3973865588 4115789359 5238277366 8231578718 10476554732 16463157436 28810525513 57621051026 115242102052