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101023130 = 25132232113
BaseRepresentation
bin1100000010101…
…11110110011010
321001002111200102
412001113312122
5201330220010
614005135402
72334453035
oct601276632
9231074612
10101023130
115203019a
12299ba562
1317c11400
14d5ba01c
158d07ba5
hex6057d9a

101023130 has 72 divisors (see below), whose sum is σ = 207660348. Its totient is φ = 35363328.

The previous prime is 101023127. The next prime is 101023157. The reversal of 101023130 is 31320101.

It can be written as a sum of positive squares in 6 ways, for example, as 529 + 101022601 = 23^2 + 10051^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 893954 + ... + 894066.

Almost surely, 2101023130 is an apocalyptic number.

101023130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101023130 is an abundant number, since it is smaller than the sum of its proper divisors (106637218).

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

101023130 is a wasteful number, since it uses less digits than its factorization.

101023130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 101023130 is about 10051.0263157550. The cubic root of 101023130 is about 465.7364981098.

Adding to 101023130 its reverse (31320101), we get a palindrome (132343231).

The spelling of 101023130 in words is "one hundred one million, twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 13 23 26 46 65 113 115 130 169 226 230 299 338 529 565 598 845 1058 1130 1469 1495 1690 2599 2645 2938 2990 3887 5198 5290 6877 7345 7774 12995 13754 14690 19097 19435 25990 33787 34385 38194 38870 59777 67574 68770 89401 95485 119554 168935 178802 190970 298885 337870 439231 447005 597770 777101 878462 894010 1554202 2196155 3885505 4392310 7771010 10102313 20204626 50511565 101023130