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123101122332020 = 22576713123787029
BaseRepresentation
bin11011111111010110110110…
…101010110000010101110100
3121010212100111212120000201212
4123333112312222300111310
5112113342044304111040
61113451512550540552
734633522366113620
oct3377266652602564
9533770455500655
10123101122332020
1136250990353708
12119819a4967758
13538c5031389a1
1422581aa09a180
15e372218cbd65
hex6ff5b6ab0574

123101122332020 has 48 divisors (see below), whose sum is σ = 299852286061440. Its totient is φ = 41576157304704.

The previous prime is 123101122332011. The next prime is 123101122332029. The reversal of 123101122332020 is 20233221101321.

It is an interprime number because it is at equal distance from previous prime (123101122332011) and next prime (123101122332029).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123101122332029) 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, 6561884135 + ... + 6561902894.

It is an arithmetic number, because the mean of its divisors is an integer number (6246922626280).

Almost surely, 2123101122332020 is an apocalyptic number.

123101122332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123101122332020 is an abundant number, since it is smaller than the sum of its proper divisors (176751163729420).

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

123101122332020 is a wasteful number, since it uses less digits than its factorization.

123101122332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13123787112 (or 13123787110 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 123101122332020 its reverse (20233221101321), we get a palindrome (143334343433341).

The spelling of 123101122332020 in words is "one hundred twenty-three trillion, one hundred one billion, one hundred twenty-two million, three hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 67 70 134 140 268 335 469 670 938 1340 1876 2345 4690 9380 13123787029 26247574058 52495148116 65618935145 91866509203 131237870290 183733018406 262475740580 367466036812 459332546015 879293730943 918665092030 1758587461886 1837330184060 3517174923772 4396468654715 6155056116601 8792937309430 12310112233202 17585874618860 24620224466404 30775280583005 61550561166010 123101122332020