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231838498159 = 2934922906679
BaseRepresentation
bin1101011111101010100…
…1101011110101101111
3211011102020000222012221
43113322221223311233
512244301123420114
6254301035340211
722515113501542
oct3277251536557
9734366028187
10231838498159
118a35a8740a4
1238b222b1667
1318b295633b8
14b314784859
15606d6ad524
hex35faa6bd6f

231838498159 has 8 divisors (see below), whose sum is σ = 240520140000. Its totient is φ = 223202670432.

The previous prime is 231838498153. The next prime is 231838498163. The reversal of 231838498159 is 951894838132.

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

It is not a de Polignac number, because 231838498159 - 211 = 231838496111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231838498097 and 231838498106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231838498153) 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, 11443219 + ... + 11463460.

It is an arithmetic number, because the mean of its divisors is an integer number (30065017500).

Almost surely, 2231838498159 is an apocalyptic number.

231838498159 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

231838498159 is a deficient number, since it is larger than the sum of its proper divisors (8681641841).

231838498159 is a wasteful number, since it uses less digits than its factorization.

231838498159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22907057.

The product of its digits is 14929920, while the sum is 61.

The spelling of 231838498159 in words is "two hundred thirty-one billion, eight hundred thirty-eight million, four hundred ninety-eight thousand, one hundred fifty-nine".

Divisors: 1 29 349 10121 22906679 664293691 7994430971 231838498159