Search a number
-
+
72987524332 = 22127143676229
BaseRepresentation
bin100001111111001100…
…1010011110011101100
320222101121220101210221
41003332121103303230
52143434301234312
653310251541124
75162461502062
oct1037631236354
9228347811727
1072987524332
1128a54611348
121218b45a7a4
136b62381528
1437656d2032
151d72a3d207
hex10fe653cec

72987524332 has 12 divisors (see below), whose sum is σ = 128733902080. Its totient is φ = 36206409456.

The previous prime is 72987524263. The next prime is 72987524333. The reversal of 72987524332 is 23342578927.

It is a super-2 number, since 2×729875243322 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 72987524332.

It is not an unprimeable number, because it can be changed into a prime (72987524333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71837607 + ... + 71838622.

Almost surely, 272987524332 is an apocalyptic number.

It is an amenable number.

72987524332 is a deficient number, since it is larger than the sum of its proper divisors (55746377748).

72987524332 is a wasteful number, since it uses less digits than its factorization.

72987524332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143676360 (or 143676358 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 52.

The spelling of 72987524332 in words is "seventy-two billion, nine hundred eighty-seven million, five hundred twenty-four thousand, three hundred thirty-two".

Divisors: 1 2 4 127 254 508 143676229 287352458 574704916 18246881083 36493762166 72987524332