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372123123420 = 22359763938681
BaseRepresentation
bin1010110101001000100…
…01000011111011011100
31022120111220022022102110
411122210101003323130
522044102004422140
6442541225554020
735612362234236
oct5324421037334
91276456268373
10372123123420
111338a8890424
1260153345910
132912509c0b9
1414021b03256
159a2e3a3380
hex56a4443edc

372123123420 has 48 divisors (see below), whose sum is σ = 1052686460448. Its totient is φ = 98209812480.

The previous prime is 372123123419. The next prime is 372123123457. The reversal of 372123123420 is 24321321273.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31963521 + ... + 31975160.

It is an arithmetic number, because the mean of its divisors is an integer number (21930967926).

Almost surely, 2372123123420 is an apocalyptic number.

372123123420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

372123123420 is an abundant number, since it is smaller than the sum of its proper divisors (680563337028).

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

372123123420 is a wasteful number, since it uses less digits than its factorization.

372123123420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63938790 (or 63938788 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

Adding to 372123123420 its reverse (24321321273), we get a palindrome (396444444693).

The spelling of 372123123420 in words is "three hundred seventy-two billion, one hundred twenty-three million, one hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 97 194 291 388 485 582 970 1164 1455 1940 2910 5820 63938681 127877362 191816043 255754724 319693405 383632086 639386810 767264172 959080215 1278773620 1918160430 3836320860 6202052057 12404104114 18606156171 24808208228 31010260285 37212312342 62020520570 74424624684 93030780855 124041041140 186061561710 372123123420