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131200136541436 = 221031129659942743
BaseRepresentation
bin11101110101001101101001…
…100010000111010011111100
3122012112121111002122102101111
4131311031221202013103330
5114144040334423311221
61143012302145051404
736430616456041504
oct3565155142072374
9565477432572344
10131200136541436
1138893735773986
121286b570326b64
135829173238c31
1424581988aaa04
151027c3b255be1
hex7753698874fc

131200136541436 has 48 divisors (see below), whose sum is σ = 232075299456000. Its totient is φ = 64894279992192.

The previous prime is 131200136541403. The next prime is 131200136541437. The reversal of 131200136541436 is 634145631002131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131200136541437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3069490281 + ... + 3069533023.

It is an arithmetic number, because the mean of its divisors is an integer number (4834902072000).

Almost surely, 2131200136541436 is an apocalyptic number.

It is an amenable number.

131200136541436 is a deficient number, since it is larger than the sum of its proper divisors (100875162914564).

131200136541436 is a wasteful number, since it uses less digits than its factorization.

131200136541436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50578 (or 50576 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

Adding to 131200136541436 its reverse (634145631002131), we get a palindrome (765345767543567).

The spelling of 131200136541436 in words is "one hundred thirty-one trillion, two hundred billion, one hundred thirty-six million, five hundred forty-one thousand, four hundred thirty-six".

Divisors: 1 2 4 103 206 412 1129 2258 4516 6599 13198 26396 42743 85486 116287 170972 232574 465148 679697 1359394 2718788 4402529 7450271 8805058 14900542 17610116 29801084 48256847 96513694 193027388 282061057 564122114 767377913 1128244228 1534755826 3069511652 4970455241 9940910482 19881820964 29052288871 58104577742 116209155484 318446933353 636893866706 1273787733412 32800034135359 65600068270718 131200136541436