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53700251213 = 723839397547
BaseRepresentation
bin110010000000110010…
…001100111001001101
312010121110111102001002
4302000302030321031
51334434231014323
640400342430045
73610512414110
oct620062147115
9163543442032
1053700251213
1120857434604
12a4a8132325
1350aa550a9b
142855d38577
1515e465a828
hexc80c8ce4d

53700251213 has 16 divisors (see below), whose sum is σ = 64116541440. Its totient is φ = 43974948336.

The previous prime is 53700251183. The next prime is 53700251233. The reversal of 53700251213 is 31215200735.

It is a cyclic number.

It is not a de Polignac number, because 53700251213 - 234 = 36520382029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53700251233) 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, 63695 + ... + 333852.

It is an arithmetic number, because the mean of its divisors is an integer number (4007283840).

Almost surely, 253700251213 is an apocalyptic number.

It is an amenable number.

53700251213 is a deficient number, since it is larger than the sum of its proper divisors (10416290227).

53700251213 is a wasteful number, since it uses less digits than its factorization.

53700251213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398416.

The product of its (nonzero) digits is 6300, while the sum is 29.

Adding to 53700251213 its reverse (31215200735), we get a palindrome (84915451948).

The spelling of 53700251213 in words is "fifty-three billion, seven hundred million, two hundred fifty-one thousand, two hundred thirteen".

Divisors: 1 7 23 161 839 5873 19297 135079 397547 2782829 9143581 64005067 333541933 2334793531 7671464459 53700251213