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42971194293 = 3591366917761
BaseRepresentation
bin101000000001010010…
…000110001110110101
311002220201212211211120
4220001102012032311
51201001111204133
631423553454153
73050603060556
oct500122061665
9132821784746
1042971194293
1117251134315
1283b2b71359
13408a7bc5b1
14211903632d
1511b778aab3
hexa014863b5

42971194293 has 16 divisors (see below), whose sum is σ = 58273569600. Its totient is φ = 28158266880.

The previous prime is 42971194289. The next prime is 42971194307. The reversal of 42971194293 is 39249117924.

It is not a de Polignac number, because 42971194293 - 22 = 42971194289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42971194213) 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, 2410533 + ... + 2428293.

It is an arithmetic number, because the mean of its divisors is an integer number (3642098100).

Almost surely, 242971194293 is an apocalyptic number.

It is an amenable number.

42971194293 is a deficient number, since it is larger than the sum of its proper divisors (15302375307).

42971194293 is a wasteful number, since it uses less digits than its factorization.

42971194293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31492.

The product of its digits is 979776, while the sum is 51.

The spelling of 42971194293 in words is "forty-two billion, nine hundred seventy-one million, one hundred ninety-four thousand, two hundred ninety-three".

Divisors: 1 3 59 177 13669 17761 41007 53283 806471 1047899 2419413 3143697 242775109 728325327 14323731431 42971194293