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52513355271421 = 11192310924351003
BaseRepresentation
bin10111111000010101101111…
…11000110000110011111101
320212221020011000111220120201
423330022313320300303331
523340334322422141141
6303404145151243501
714026651616634112
oct1374126770606375
9225836130456521
1052513355271421
1115806875037470
125a81534519591
13233bcacc87485
14cd7934cc6909
15610ed5e9d031
hex2fc2b7e30cfd

52513355271421 has 16 divisors (see below), whose sum is σ = 62924261783040. Its totient is φ = 43260429967920.

The previous prime is 52513355271409. The next prime is 52513355271473. The reversal of 52513355271421 is 12417255331525.

It is not a de Polignac number, because 52513355271421 - 241 = 50314332015869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52513355274421) 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, 5462170695 + ... + 5462180308.

It is an arithmetic number, because the mean of its divisors is an integer number (3932766361440).

Almost surely, 252513355271421 is an apocalyptic number.

It is an amenable number.

52513355271421 is a deficient number, since it is larger than the sum of its proper divisors (10410906511619).

52513355271421 is a wasteful number, since it uses less digits than its factorization.

52513355271421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10924351056.

The product of its digits is 1260000, while the sum is 46.

The spelling of 52513355271421 in words is "fifty-two trillion, five hundred thirteen billion, three hundred fifty-five million, two hundred seventy-one thousand, four hundred twenty-one".

Divisors: 1 11 19 23 209 253 437 4807 10924351003 120167861033 207562669057 251260073069 2283189359627 2763860803759 4773941388311 52513355271421