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3132130232220 = 2235112431422897
BaseRepresentation
bin101101100101000001100…
…000101000011110011100
3102002102120112121112022120
4231211001200220132130
5402304100314412340
610354514124542540
7442201051462023
oct55450140503634
912072515545276
103132130232220
11aa8368952900
124270400b1a50
13199487b49172
14ab84b27b8ba
15567195e24d0
hex2d94182879c

3132130232220 has 72 divisors (see below), whose sum is σ = 9639713232912. Its totient is φ = 759304296960.

The previous prime is 3132130232219. The next prime is 3132130232327. The reversal of 3132130232220 is 222320312313.

It is a super-2 number, since 2×31321302322202 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215704189 + ... + 215718708.

Almost surely, 23132130232220 is an apocalyptic number.

3132130232220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3132130232220 is an abundant number, since it is smaller than the sum of its proper divisors (6507583000692).

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

3132130232220 is a wasteful number, since it uses less digits than its factorization.

3132130232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431422931 (or 431422918 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 3132130232220 its reverse (222320312313), we get a palindrome (3354450544533).

The spelling of 3132130232220 in words is "three trillion, one hundred thirty-two billion, one hundred thirty million, two hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 121 132 165 220 242 330 363 484 605 660 726 1210 1452 1815 2420 3630 7260 431422897 862845794 1294268691 1725691588 2157114485 2588537382 4314228970 4745651867 5177074764 6471343455 8628457940 9491303734 12942686910 14236955601 18982607468 23728259335 25885373820 28473911202 47456518670 52202170537 56947822404 71184778005 94913037340 104404341074 142369556010 156606511611 208808682148 261010852685 284739112020 313213023222 522021705370 626426046444 783032558055 1044043410740 1566065116110 3132130232220