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10100232123221 = 307308691065787
BaseRepresentation
bin1001001011111010010010…
…1111110111001101010101
31022202120110112122200021102
42102332210233313031111
52310440233410420341
633251552123155445
72061501111341012
oct222764457671525
938676415580242
1010100232123221
1132445367a2799
1211715ab375b85
135835a8a8b786
1426cbd4d34709
15127ae472ec9b
hex92fa4bf7355

10100232123221 has 8 divisors (see below), whose sum is σ = 10133469672480. Its totient is φ = 10066996767888.

The previous prime is 10100232123209. The next prime is 10100232123259. The reversal of 10100232123221 is 12232123200101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10100232123221 - 230 = 10099158381397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100232123193 and 10100232123202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100232123271) 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, 8943890 + ... + 10009676.

It is an arithmetic number, because the mean of its divisors is an integer number (1266683709060).

Almost surely, 210100232123221 is an apocalyptic number.

It is an amenable number.

10100232123221 is a deficient number, since it is larger than the sum of its proper divisors (33237549259).

10100232123221 is a wasteful number, since it uses less digits than its factorization.

10100232123221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096963.

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

Adding to 10100232123221 its reverse (12232123200101), we get a palindrome (22332355323322).

The spelling of 10100232123221 in words is "ten trillion, one hundred billion, two hundred thirty-two million, one hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 307 30869 1065787 9476783 327196609 32899778903 10100232123221