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32121243229 = 475323355343
BaseRepresentation
bin11101111010100100…
…110100011001011101
310001220120210020001011
4131322210310121131
51011241014240404
622431205415221
72214665030305
oct357244643135
9101816706034
1032121243229
1112693671509
12628540a511
13304b9b01ca
1417aa064605
15c7ee8a604
hex77a93465d

32121243229 has 16 divisors (see below), whose sum is σ = 33567685632. Its totient is φ = 30711710848.

The previous prime is 32121243227. The next prime is 32121243257. The reversal of 32121243229 is 92234212123.

It is a cyclic number.

It is not a de Polignac number, because 32121243229 - 21 = 32121243227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32121243229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121243221) 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, 552732 + ... + 608074.

It is an arithmetic number, because the mean of its divisors is an integer number (2097980352).

Almost surely, 232121243229 is an apocalyptic number.

It is an amenable number.

32121243229 is a deficient number, since it is larger than the sum of its proper divisors (1446442403).

32121243229 is a wasteful number, since it uses less digits than its factorization.

32121243229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55676.

The product of its digits is 10368, while the sum is 31.

The spelling of 32121243229 in words is "thirty-two billion, one hundred twenty-one million, two hundred forty-three thousand, two hundred twenty-nine".

Divisors: 1 47 53 233 2491 10951 12349 55343 580403 2601121 2933179 12894919 137859413 606061193 683430707 32121243229