Search a number
-
+
33320403140 = 2252372435659
BaseRepresentation
bin11111000010000011…
…010000000011000100
310012000011012212012012
4133002003100003010
51021220010400030
623150203513352
72256465516323
oct370203200304
9105004185165
1033320403140
1113149554062
12655ab28858
1331b026c19b
1418814160ba
15d003ac095
hex7c20d00c4

33320403140 has 24 divisors (see below), whose sum is σ = 73015145280. Its totient is φ = 12748675808.

The previous prime is 33320403101. The next prime is 33320403157. The reversal of 33320403140 is 4130402333.

It is a super-2 number, since 2×333204031402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36217370 + ... + 36218289.

It is an arithmetic number, because the mean of its divisors is an integer number (3042297720).

Almost surely, 233320403140 is an apocalyptic number.

It is an amenable number.

33320403140 is an abundant number, since it is smaller than the sum of its proper divisors (39694742140).

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

33320403140 is a wasteful number, since it uses less digits than its factorization.

33320403140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72435691 (or 72435689 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 33320403140 its reverse (4130402333), we get a palindrome (37450805473).

The spelling of 33320403140 in words is "thirty-three billion, three hundred twenty million, four hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 72435659 144871318 289742636 362178295 724356590 1448713180 1666020157 3332040314 6664080628 8330100785 16660201570 33320403140