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231970342908 = 22367288520327
BaseRepresentation
bin1101100000001010000…
…0101000011111111100
3211011202102010101012210
43120002200220133330
512300033401433113
6254322105300420
722521304244553
oct3300240503774
9734672111183
10231970342908
118a418235aa7
1238b5a494710
1318b4a976745
14b3280a4d9a
15607a0536c3
hex36028287fc

231970342908 has 24 divisors (see below), whose sum is σ = 549342704512. Its totient is φ = 76169366064.

The previous prime is 231970342873. The next prime is 231970342957. The reversal of 231970342908 is 809243079132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144259360 + ... + 144260967.

Almost surely, 2231970342908 is an apocalyptic number.

It is an amenable number.

231970342908 is an abundant number, since it is smaller than the sum of its proper divisors (317372361604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231970342908 is a wasteful number, since it uses less digits than its factorization.

231970342908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288520401 (or 288520399 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 231970342908 in words is "two hundred thirty-one billion, nine hundred seventy million, three hundred forty-two thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 288520327 577040654 865560981 1154081308 1731121962 3462243924 19330861909 38661723818 57992585727 77323447636 115985171454 231970342908