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21132513141 = 364731088239
BaseRepresentation
bin10011101011100110…
…001000111101110101
32000112202112220012220
4103223212020331311
5321234410410031
613412543032553
71345453253325
oct235346107565
960482486186
1021132513141
118a648309a3
12411929b759
131cba20045c
141046889285
1583a3c5596
hex4eb988f75

21132513141 has 8 divisors (see below), whose sum is σ = 28181063040. Its totient is φ = 14086152672.

The previous prime is 21132513131. The next prime is 21132513169. The reversal of 21132513141 is 14131523112.

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

It is not a de Polignac number, because 21132513141 - 210 = 21132512117 is a prime.

It is a super-2 number, since 2×211325131412 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132513131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524701 + ... + 563538.

It is an arithmetic number, because the mean of its divisors is an integer number (3522632880).

Almost surely, 221132513141 is an apocalyptic number.

It is an amenable number.

21132513141 is a deficient number, since it is larger than the sum of its proper divisors (7048549899).

21132513141 is a wasteful number, since it uses less digits than its factorization.

21132513141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094715.

The product of its digits is 720, while the sum is 24.

The spelling of 21132513141 in words is "twenty-one billion, one hundred thirty-two million, five hundred thirteen thousand, one hundred forty-one".

Divisors: 1 3 6473 19419 1088239 3264717 7044171047 21132513141