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2151142514254 = 21956609013533
BaseRepresentation
bin11111010011011010000…
…101011101111001001110
321121122110211011002202101
4133103122011131321032
5240221014440424004
64324115441345314
7311262213451456
oct37233205357116
97548424132671
102151142514254
1175a326961898
122a8aa533823a
13127b0c72b566
1476189c88d66
153ae5203eba4
hex1f4da15de4e

2151142514254 has 8 divisors (see below), whose sum is σ = 3396540812040. Its totient is φ = 1018962243576.

The previous prime is 2151142514239. The next prime is 2151142514263. The reversal of 2151142514254 is 4524152411512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28304506729 + ... + 28304506804.

It is an arithmetic number, because the mean of its divisors is an integer number (424567601505).

Almost surely, 22151142514254 is an apocalyptic number.

2151142514254 is a deficient number, since it is larger than the sum of its proper divisors (1245398297786).

2151142514254 is a wasteful number, since it uses less digits than its factorization.

2151142514254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56609013554.

The product of its digits is 64000, while the sum is 37.

Adding to 2151142514254 its reverse (4524152411512), we get a palindrome (6675294925766).

The spelling of 2151142514254 in words is "two trillion, one hundred fifty-one billion, one hundred forty-two million, five hundred fourteen thousand, two hundred fifty-four".

Divisors: 1 2 19 38 56609013533 113218027066 1075571257127 2151142514254