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2130255251421 = 31125868471767
BaseRepresentation
bin11110111111111101000…
…110111000011111011101
321112122120011002012201020
4132333331012320133131
5234400230321021141
64310343055034353
7306622465605453
oct36777506703735
97478504065636
102130255251421
11751488610100
122a4a3620b9b9
13125b6129993b
1475167c009d3
153a62d461266
hex1effd1b87dd

2130255251421 has 12 divisors (see below), whose sum is σ = 3122026980576. Its totient is φ = 1291063788520.

The previous prime is 2130255251393. The next prime is 2130255251431. The reversal of 2130255251421 is 1241525520312.

It is not a de Polignac number, because 2130255251421 - 25 = 2130255251389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130255251431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2934235521 + ... + 2934236246.

It is an arithmetic number, because the mean of its divisors is an integer number (260168915048).

Almost surely, 22130255251421 is an apocalyptic number.

It is an amenable number.

2130255251421 is a deficient number, since it is larger than the sum of its proper divisors (991771729155).

2130255251421 is a wasteful number, since it uses less digits than its factorization.

2130255251421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868471792 (or 5868471781 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 2130255251421 in words is "two trillion, one hundred thirty billion, two hundred fifty-five million, two hundred fifty-one thousand, four hundred twenty-one".

Divisors: 1 3 11 33 121 363 5868471767 17605415301 64553189437 193659568311 710085083807 2130255251421