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312023102100 = 223521040077007
BaseRepresentation
bin1001000101001100000…
…01101011001010010100
31002211101102111220012220
410202212001223022110
520103010403231400
6355201425542340
731354136415213
oct4424601531224
91084342456186
10312023102100
111103679a7916
125057baa49b0
13235679c17c8
141115dc5507a
1581b2e947a0
hex48a606b294

312023102100 has 36 divisors (see below), whose sum is σ = 902786842944. Its totient is φ = 83206160480.

The previous prime is 312023102063. The next prime is 312023102117. The reversal of 312023102100 is 1201320213.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 312023102100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 520038204 + ... + 520038803.

It is an arithmetic number, because the mean of its divisors is an integer number (25077412304).

Almost surely, 2312023102100 is an apocalyptic number.

312023102100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312023102100 is an abundant number, since it is smaller than the sum of its proper divisors (590763740844).

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

312023102100 is a wasteful number, since it uses less digits than its factorization.

312023102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040077024 (or 1040077017 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 312023102100 its reverse (1201320213), we get a palindrome (313224422313).

The spelling of 312023102100 in words is "three hundred twelve billion, twenty-three million, one hundred two thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 1040077007 2080154014 3120231021 4160308028 5200385035 6240462042 10400770070 12480924084 15601155105 20801540140 26001925175 31202310210 52003850350 62404620420 78005775525 104007700700 156011551050 312023102100