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5121234407 = 199713919991
BaseRepresentation
bin1001100010011111…
…11101010111100111
3111012220111122220102
410301033331113213
540442014000112
62204101454315
7240623526362
oct46117752747
914186448812
105121234407
112198892233
12bab11139b
13637cc8623
1436821d0d9
151ee902bc2
hex1313fd5e7

5121234407 has 16 divisors (see below), whose sum is σ = 5485804800. Its totient is φ = 4766895360.

The previous prime is 5121234367. The next prime is 5121234413. The reversal of 5121234407 is 7044321215.

It is a cyclic number.

It is not a de Polignac number, because 5121234407 - 220 = 5120185831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5121234407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121234427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246182 + ... + 266172.

It is an arithmetic number, because the mean of its divisors is an integer number (342862800).

Almost surely, 25121234407 is an apocalyptic number.

5121234407 is a deficient number, since it is larger than the sum of its proper divisors (364570393).

5121234407 is a wasteful number, since it uses less digits than its factorization.

5121234407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20246.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 5121234407 is about 71562.8004412907. The cubic root of 5121234407 is about 1723.6862538778.

The spelling of 5121234407 in words is "five billion, one hundred twenty-one million, two hundred thirty-four thousand, four hundred seven".

Divisors: 1 19 97 139 1843 2641 13483 19991 256177 379829 1939127 2778749 36843413 52796231 269538653 5121234407