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331930229901 = 3319736795281
BaseRepresentation
bin1001101010010001001…
…01010101110010001101
31011201202210021202202120
410311020211111302031
520414243114324101
6412253040443153
732660353254534
oct4651045256215
91151683252676
10331930229901
11118852a63656
12543b69194b9
13253bb08007a
14120cba8331b
15897a9b7b36
hex4d48955c8d

331930229901 has 16 divisors (see below), whose sum is σ = 461560017408. Its totient is φ = 211940812800.

The previous prime is 331930229879. The next prime is 331930229929. The reversal of 331930229901 is 109922039133.

It is a happy number.

It is not a de Polignac number, because 331930229901 - 26 = 331930229837 is a prime.

It is a super-2 number, since 2×3319302299012 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331930229801) 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, 18388620 + ... + 18406661.

It is an arithmetic number, because the mean of its divisors is an integer number (28847501088).

Almost surely, 2331930229901 is an apocalyptic number.

331930229901 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

331930229901 is a deficient number, since it is larger than the sum of its proper divisors (129629787507).

331930229901 is a wasteful number, since it uses less digits than its factorization.

331930229901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36795412.

The product of its (nonzero) digits is 78732, while the sum is 42.

The spelling of 331930229901 in words is "three hundred thirty-one billion, nine hundred thirty million, two hundred twenty-nine thousand, nine hundred one".

Divisors: 1 3 31 93 97 291 3007 9021 36795281 110385843 1140653711 3421961133 3569142257 10707426771 110643409967 331930229901