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101690878230 = 23253919288313
BaseRepresentation
bin101111010110100111…
…1111010100100010110
3100201111000022212010100
41132231033322210112
53131230331100410
6114414404234530
710226665126434
oct1365517724426
9321430285110
10101690878230
113a143938a27
121786009ba46
139787c140c6
144cc984dd54
1529a28da8c0
hex17ad3fa916

101690878230 has 48 divisors (see below), whose sum is σ = 264464665920. Its totient is φ = 27110553984.

The previous prime is 101690878129. The next prime is 101690878231. The reversal of 101690878230 is 32878096101.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101690878231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208554 + ... + 496866.

It is an arithmetic number, because the mean of its divisors is an integer number (5509680540).

Almost surely, 2101690878230 is an apocalyptic number.

101690878230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101690878230 is an abundant number, since it is smaller than the sum of its proper divisors (162773787690).

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

101690878230 is a wasteful number, since it uses less digits than its factorization.

101690878230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292245 (or 292242 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 101690878230 in words is "one hundred one billion, six hundred ninety million, eight hundred seventy-eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 3919 7838 11757 19595 23514 35271 39190 58785 70542 117570 176355 288313 352710 576626 864939 1441565 1729878 2594817 2883130 4324695 5189634 8649390 12974085 25948170 1129898647 2259797294 3389695941 5649493235 6779391882 10169087823 11298986470 16948479705 20338175646 33896959410 50845439115 101690878230