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2231202131120 = 24533318372869
BaseRepresentation
bin100000011101111110000…
…000101010110010110000
321220022010022110000201102
4200131332000222302300
5243024000221143440
64425000005023532
7320125161123254
oct40357600526260
97808108400642
102231202131120
1179027a487a06
123005090b4ba8
1313252b007b11
1479dc2902264
153d08a887b15
hex2077e02acb0

2231202131120 has 40 divisors (see below), whose sum is σ = 5189102928240. Its totient is φ = 892212814080.

The previous prime is 2231202131117. The next prime is 2231202131131. The reversal of 2231202131120 is 211312021322.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×22312021311203 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2231202131092 and 2231202131101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3919955 + ... + 4452914.

It is an arithmetic number, because the mean of its divisors is an integer number (129727573206).

Almost surely, 22231202131120 is an apocalyptic number.

2231202131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231202131120 is an abundant number, since it is smaller than the sum of its proper divisors (2957900797120).

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

2231202131120 is a wasteful number, since it uses less digits than its factorization.

2231202131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8376213 (or 8376207 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2231202131120 its reverse (211312021322), we get a palindrome (2442514152442).

The spelling of 2231202131120 in words is "two trillion, two hundred thirty-one billion, two hundred two million, one hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3331 6662 13324 16655 26648 33310 53296 66620 133240 266480 8372869 16745738 33491476 41864345 66982952 83728690 133965904 167457380 334914760 669829520 27890026639 55780053278 111560106556 139450133195 223120213112 278900266390 446240426224 557800532780 1115601065560 2231202131120