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2121012313032 = 233181488262503
BaseRepresentation
bin11110110111010110001…
…011110111101111001000
321111202200222212021212210
4132313112023313233020
5234222313123004112
64302213554505120
7306144443123304
oct36672613675710
97452628767783
102121012313032
11748575179748
122a30968951a0
1312501a3aa222
147492c42ad04
153a28bc97b3c
hex1edd62f7bc8

2121012313032 has 32 divisors (see below), whose sum is σ = 5331826543680. Its totient is φ = 703098002880.

The previous prime is 2121012313003. The next prime is 2121012313039. The reversal of 2121012313032 is 2303132101212.

It is not an unprimeable number, because it can be changed into a prime (2121012313039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244126908 + ... + 244135595.

It is an arithmetic number, because the mean of its divisors is an integer number (166619579490).

Almost surely, 22121012313032 is an apocalyptic number.

It is an amenable number.

2121012313032 is an abundant number, since it is smaller than the sum of its proper divisors (3210814230648).

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

2121012313032 is a wasteful number, since it uses less digits than its factorization.

2121012313032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488262693 (or 488262689 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2121012313032 its reverse (2303132101212), we get a palindrome (4424144414244).

The spelling of 2121012313032 in words is "two trillion, one hundred twenty-one billion, twelve million, three hundred thirteen thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 181 362 543 724 1086 1448 2172 4344 488262503 976525006 1464787509 1953050012 2929575018 3906100024 5859150036 11718300072 88375513043 176751026086 265126539129 353502052172 530253078258 707004104344 1060506156516 2121012313032