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131442774572 = 22172969196461
BaseRepresentation
bin111101001101010011…
…0011001001000101100
3110120021110202210021002
41322122212121020230
54123143322241242
6140214534455432
712332163102134
oct1723246311054
9416243683232
10131442774572
115082102400a
1221583b04578
13c519a7b9b5
14650cd53ac4
153644857432
hex1e9a99922c

131442774572 has 48 divisors (see below), whose sum is σ = 252321441120. Its totient is φ = 59635430400.

The previous prime is 131442774559. The next prime is 131442774587. The reversal of 131442774572 is 275477244131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314422 + ... + 1410882.

It is an arithmetic number, because the mean of its divisors is an integer number (5256696690).

Almost surely, 2131442774572 is an apocalyptic number.

It is an amenable number.

131442774572 is a deficient number, since it is larger than the sum of its proper divisors (120878666548).

131442774572 is a wasteful number, since it uses less digits than its factorization.

131442774572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97202 (or 97200 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 47.

The spelling of 131442774572 in words is "one hundred thirty-one billion, four hundred forty-two million, seven hundred seventy-four thousand, five hundred seventy-two".

Divisors: 1 2 4 17 29 34 58 68 116 493 691 986 1382 1972 2764 11747 20039 23494 40078 46988 80156 96461 192922 340663 385844 681326 1362652 1639837 2797369 3279674 5594738 6559348 11189476 47555273 66654551 95110546 133309102 190221092 266618204 1133127367 1932981979 2266254734 3865963958 4532509468 7731927916 32860693643 65721387286 131442774572