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1055055612 = 2231329317523
BaseRepresentation
bin111110111000101…
…101111011111100
32201112021101012210
4332320231323330
54130043234422
6252405300420
735100552612
oct7670557374
92645241183
101055055612
114a1607996
12255404710
1313a775780
14a019d6b2
156295910c
hex3ee2defc

1055055612 has 96 divisors (see below), whose sum is σ = 2831431680. Its totient is φ = 303287040.

The previous prime is 1055055601. The next prime is 1055055623. The reversal of 1055055612 is 2165505501.

It is an interprime number because it is at equal distance from previous prime (1055055601) and next prime (1055055623).

It is a super-2 number, since 2×10550556122 = 2226284688825389088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055055612.

It is a congruent number.

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, 136483 + ... + 144005.

It is an arithmetic number, because the mean of its divisors is an integer number (29494080).

Almost surely, 21055055612 is an apocalyptic number.

1055055612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055055612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415715840).

1055055612 is an abundant number, since it is smaller than the sum of its proper divisors (1776376068).

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

1055055612 is a wasteful number, since it uses less digits than its factorization.

1055055612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7603 (or 7601 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1055055612 is about 32481.6196024767. The cubic root of 1055055612 is about 1018.0250173011.

The spelling of 1055055612 in words is "one billion, fifty-five million, fifty-five thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 29 31 39 52 58 62 78 87 93 116 124 156 174 186 348 372 377 403 754 806 899 1131 1209 1508 1612 1798 2262 2418 2697 3596 4524 4836 5394 7523 10788 11687 15046 22569 23374 30092 35061 45138 46748 70122 90276 97799 140244 195598 218167 233213 293397 391196 436334 466426 586794 654501 699639 872668 932852 1173588 1309002 1399278 2618004 2798556 2836171 3031769 5672342 6063538 6763177 8508513 9095307 11344684 12127076 13526354 17017026 18190614 20289531 27052708 34034052 36381228 40579062 81158124 87921301 175842602 263763903 351685204 527527806 1055055612