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32121001221023 = 11132173691033369
BaseRepresentation
bin1110100110110110000001…
…10111100001101110011111
311012201201220210200111222202
413103123000313201232133
513202232302303033043
6152152103444202115
76523444232324351
oct723330067415637
9135651823614882
1032121001221023
11a264492884150
12372932239933b
1314bccc7434850
147d094412b0d1
153aa81aad01b8
hex1d36c0de1b9f

32121001221023 has 16 divisors (see below), whose sum is σ = 37736770999200. Its totient is φ = 26954536250880.

The previous prime is 32121001220909. The next prime is 32121001221077. The reversal of 32121001221023 is 32012210012123.

It is a cyclic number.

It is not a de Polignac number, because 32121001221023 - 210 = 32121001219999 is a prime.

It is a super-2 number, since 2×321210012210232 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32121001220986 and 32121001221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121001226023) 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, 30567083 + ... + 31600451.

It is an arithmetic number, because the mean of its divisors is an integer number (2358548187450).

Almost surely, 232121001221023 is an apocalyptic number.

32121001221023 is a deficient number, since it is larger than the sum of its proper divisors (5615769778177).

32121001221023 is a wasteful number, since it uses less digits than its factorization.

32121001221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250762.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 32121001221023 its reverse (32012210012123), we get a palindrome (64133211233146).

The spelling of 32121001221023 in words is "thirty-two trillion, one hundred twenty-one billion, one million, two hundred twenty-one thousand, twenty-three".

Divisors: 1 11 13 143 217369 1033369 2391059 2825797 11367059 13433797 31083767 147771767 224622386161 2470846247771 2920091020093 32121001221023