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201023310232108 = 227131223451563239
BaseRepresentation
bin101101101101010001100010…
…111111110111101000101100
3222100202122022010100222002101
4231231101202333313220230
5202322031214404411413
61551312500035104444
760225312011630110
oct5555214277675054
9870678263328071
10201023310232108
1159063563a60681
121a6677b7a42124
138822555987a70
14378d819c33740
151839126e95edd
hexb6d462ff7a2c

201023310232108 has 48 divisors (see below), whose sum is σ = 433327310115840. Its totient is φ = 79460679864384.

The previous prime is 201023310232007. The next prime is 201023310232109. The reversal of 201023310232108 is 801232013320102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (201023310232109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225336448 + ... + 226226791.

It is an arithmetic number, because the mean of its divisors is an integer number (9027652294080).

Almost surely, 2201023310232108 is an apocalyptic number.

201023310232108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

201023310232108 is an abundant number, since it is smaller than the sum of its proper divisors (232303999883732).

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

201023310232108 is a wasteful number, since it uses less digits than its factorization.

201023310232108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451564486 (or 451564484 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 201023310232108 in words is "two hundred one trillion, twenty-three billion, three hundred ten million, two hundred thirty-two thousand, one hundred eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 1223 2446 4892 8561 15899 17122 31798 34244 63596 111293 222586 445172 451563239 903126478 1806252956 3160942673 5870322107 6321885346 11740644214 12643770692 23481288428 41092254749 82184509498 164369018996 552261841297 1104523682594 2209047365188 3865832889079 7179403936861 7731665778158 14358807873722 15463331556316 28717615747444 50255827558027 100511655116054 201023310232108