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6121274388 = 2231765945533
BaseRepresentation
bin1011011001101101…
…10011110000010100
3120210121020221212020
411230312303300110
5100014021240023
62451224053140
7304455655005
oct55466636024
916717227766
106121274388
112661333059
12122a0041b0
1376724aa68
14420d7b1ac
1525c5e0de3
hex16cdb3c14

6121274388 has 48 divisors (see below), whose sum is σ = 15146429760. Its totient is φ = 1917443584.

The previous prime is 6121274351. The next prime is 6121274449. The reversal of 6121274388 is 8834721216.

It is a super-4 number, since 4×61212743884 (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111670 + ... + 157202.

It is an arithmetic number, because the mean of its divisors is an integer number (315550620).

Almost surely, 26121274388 is an apocalyptic number.

6121274388 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6121274388 is an abundant number, since it is smaller than the sum of its proper divisors (9025155372).

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

6121274388 is a wasteful number, since it uses less digits than its factorization.

6121274388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46216 (or 46214 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 6121274388 is about 78238.5735299411. The cubic root of 6121274388 is about 1829.2818096134.

The spelling of 6121274388 in words is "six billion, one hundred twenty-one million, two hundred seventy-four thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 659 1318 1977 2636 3954 7908 11203 22406 33609 44812 45533 67218 91066 134436 136599 182132 273198 546396 774061 1548122 2322183 3096244 4644366 9288732 30006247 60012494 90018741 120024988 180037482 360074964 510106199 1020212398 1530318597 2040424796 3060637194 6121274388