Search a number
-
+
33990800031 = 3213072889637
BaseRepresentation
bin11111101010000000…
…100111001010011111
310020201212200112211200
4133222000213022133
51024103121100111
623340512450543
72312216014236
oct375200471237
9106655615750
1033990800031
1113462a14181
126707549a53
133289115136
141906485b1d
15d3e183256
hex7ea02729f

33990800031 has 12 divisors (see below), whose sum is σ = 49135404552. Its totient is φ = 22643187696.

The previous prime is 33990799963. The next prime is 33990800083. The reversal of 33990800031 is 13000809933.

It is not a de Polignac number, because 33990800031 - 27 = 33990799903 is a prime.

It is a super-2 number, since 2×339908000312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33990800131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1433056 + ... + 1456581.

It is an arithmetic number, because the mean of its divisors is an integer number (4094617046).

Almost surely, 233990800031 is an apocalyptic number.

33990800031 is a deficient number, since it is larger than the sum of its proper divisors (15144604521).

33990800031 is a wasteful number, since it uses less digits than its factorization.

33990800031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890950 (or 2890947 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 33990800031 in words is "thirty-three billion, nine hundred ninety million, eight hundred thousand, thirty-one".

Divisors: 1 3 9 1307 3921 11763 2889637 8668911 26006733 3776755559 11330266677 33990800031