Search a number
-
+
30724526157564 = 22317181183164231
BaseRepresentation
bin1101111110001100111000…
…11101111010111011111100
311000210020101001111001102010
412333012130131322323330
513011342312144020224
6145202352533131220
76320526254203251
oct677063435727374
9130706331431363
1030724526157564
119876220035958
123542751789b10
13141b405bb8655
14783109b31428
15384337155e29
hex1bf19c77aefc

30724526157564 has 48 divisors (see below), whose sum is σ = 75949568545536. Its totient is φ = 9633744403200.

The previous prime is 30724526157553. The next prime is 30724526157599. The reversal of 30724526157564 is 46575162542703.

It is a congruent 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, 41212672 + ... + 41951559.

It is an arithmetic number, because the mean of its divisors is an integer number (1582282678032).

Almost surely, 230724526157564 is an apocalyptic number.

30724526157564 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30724526157564 is an abundant number, since it is smaller than the sum of its proper divisors (45225042387972).

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

30724526157564 is a wasteful number, since it uses less digits than its factorization.

30724526157564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83166066 (or 83166064 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 57.

The spelling of 30724526157564 in words is "thirty trillion, seven hundred twenty-four billion, five hundred twenty-six million, one hundred fifty-seven thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1811 3622 5433 7244 10866 21732 30787 61574 92361 123148 184722 369444 83164231 166328462 249492693 332656924 498985386 997970772 1413791927 2827583854 4241375781 5655167708 8482751562 16965503124 150610422341 301220844682 451831267023 602441689364 903662534046 1807325068092 2560377179797 5120754359594 7681131539391 10241508719188 15362263078782 30724526157564