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23100212030 = 2573125034253
BaseRepresentation
bin10101100000111000…
…010100001100111110
32012121220010100122112
4111200320110030332
5334302123241110
614340113414022
71445305363640
oct254070241476
965556110575
1023100212030
119884516225
12458826a312
132241a7831c
141191d36890
15903007405
hex560e1433e

23100212030 has 64 divisors (see below), whose sum is σ = 49084489728. Its totient is φ = 7659722880.

The previous prime is 23100212011. The next prime is 23100212063. The reversal of 23100212030 is 3021200132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 23100211996 and 23100212014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5429384 + ... + 5433636.

It is an arithmetic number, because the mean of its divisors is an integer number (766945152).

Almost surely, 223100212030 is an apocalyptic number.

23100212030 is an abundant number, since it is smaller than the sum of its proper divisors (25984277698).

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

23100212030 is a wasteful number, since it uses less digits than its factorization.

23100212030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6801.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23100212030 its reverse (3021200132), we get a palindrome (26121412162).

The spelling of 23100212030 in words is "twenty-three billion, one hundred million, two hundred twelve thousand, thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 2503 4253 5006 8506 12515 17521 21265 25030 29771 35042 42530 59542 77593 87605 131843 148855 155186 175210 263686 297710 387965 543151 659215 775930 922901 1086302 1318430 1845802 2715755 4614505 5431510 9229010 10645259 21290518 53226295 74516813 106452590 149033626 330003029 372584065 660006058 745168130 1650015145 2310021203 3300030290 4620042406 11550106015 23100212030