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131202002310220 = 2251307153115532111
BaseRepresentation
bin11101110101001111011000…
…101111011101010001001100
3122012112210022010102022000001
4131311033120233131101030
5114144103200042411340
61143013211235014044
736431013632600602
oct3565173057352114
9565483263368001
10131202002310220
1138894502969656
121286b9b113a324
1358293ac94592a
1424582d45c3872
151027ce9e5129a
hex7753d8bdd44c

131202002310220 has 96 divisors (see below), whose sum is σ = 276223566237696. Its totient is φ = 52347840076800.

The previous prime is 131202002310191. The next prime is 131202002310227. The reversal of 131202002310220 is 22013200202131.

It is not an unprimeable number, because it can be changed into a prime (131202002310227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62151586965 + ... + 62151589075.

It is an arithmetic number, because the mean of its divisors is an integer number (2877328814976).

Almost surely, 2131202002310220 is an apocalyptic number.

131202002310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131202002310220 is an abundant number, since it is smaller than the sum of its proper divisors (145021563927476).

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

131202002310220 is a wasteful number, since it uses less digits than its factorization.

131202002310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511 (or 6509 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 131202002310220 its reverse (22013200202131), we get a palindrome (153215202512351).

The spelling of 131202002310220 in words is "one hundred thirty-one trillion, two hundred two billion, two million, three hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1307 1531 1553 2111 2614 3062 3106 4222 5228 6124 6212 6535 7655 7765 8444 10555 13070 15310 15530 21110 26140 30620 31060 42220 2001017 2029771 2377643 2759077 3231941 3278383 4002034 4059542 4755286 5518154 6463882 6556766 8004068 8119084 9510572 10005085 10148855 11036308 11888215 12927764 13113532 13795385 16159705 16391915 20010170 20297710 23776430 27590770 32319410 32783830 40020340 40595420 47552860 55181540 64638820 65567660 3107579401 4224146887 4284846581 5019204373 6215158802 8448293774 8569693162 10038408746 12430317604 15537897005 16896587548 17139386324 20076817492 21120734435 21424232905 25096021865 31075794010 42241468870 42848465810 50192043730 62151588020 84482937740 85696931620 100384087460 6560100115511 13120200231022 26240400462044 32800500577555 65601001155110 131202002310220