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232531131024140 = 22513894350503939
BaseRepresentation
bin110100110111110001011111…
…011101101100001100001100
31010111022202111022220021002012
4310313301133131230030030
5220434242224020233030
62142315154334520352
766656551124515664
oct6467613735541414
91114282438807065
10232531131024140
1168100998430903
12220b61113660b8
139c9978c8991b0
14415c7d13c51a4
151bd3a05a16095
hexd37c5f76c30c

232531131024140 has 24 divisors (see below), whose sum is σ = 525878096316720. Its totient is φ = 85857648378048.

The previous prime is 232531131024121. The next prime is 232531131024209. The reversal of 232531131024140 is 41420131135232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 232531131024097 and 232531131024106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447175251710 + ... + 447175252229.

It is an arithmetic number, because the mean of its divisors is an integer number (21911587346530).

Almost surely, 2232531131024140 is an apocalyptic number.

232531131024140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232531131024140 is an abundant number, since it is smaller than the sum of its proper divisors (293346965292580).

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

232531131024140 is a wasteful number, since it uses less digits than its factorization.

232531131024140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894350503961 (or 894350503959 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 232531131024140 its reverse (41420131135232), we get a palindrome (273951262159372).

The spelling of 232531131024140 in words is "two hundred thirty-two trillion, five hundred thirty-one billion, one hundred thirty-one million, twenty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 894350503939 1788701007878 3577402015756 4471752519695 8943505039390 11626556551207 17887010078780 23253113102414 46506226204828 58132782756035 116265565512070 232531131024140