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101292912 = 243273172
BaseRepresentation
bin1100000100110…
…01101101110000
321001121012202100
412002121231300
5201412333122
614015020400
72336655420
oct602315560
9231535670
10101292912
11521a4956
1229b0a700
1317ca7146
14d64a480
158d5caac
hex6099b70

101292912 has 90 divisors (see below), whose sum is σ = 325001768. Its totient is φ = 28849536.

The previous prime is 101292901. The next prime is 101292923. The reversal of 101292912 is 219292101.

It is an interprime number because it is at equal distance from previous prime (101292901) and next prime (101292923).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 319378 + ... + 319694.

Almost surely, 2101292912 is an apocalyptic number.

101292912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101292912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162500884).

101292912 is an abundant number, since it is smaller than the sum of its proper divisors (223708856).

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

101292912 is an equidigital number, since it uses as much as digits as its factorization.

101292912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 101292912 is about 10064.4379872897. The cubic root of 101292912 is about 466.1507123023.

It can be divided in two parts, 10129 and 2912, that added together give a triangular number (13041 = T161).

The spelling of 101292912 in words is "one hundred one million, two hundred ninety-two thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 317 336 504 634 951 1008 1268 1902 2219 2536 2853 3804 4438 5072 5706 6657 7608 8876 11412 13314 15216 17752 19971 22824 26628 35504 39942 45648 53256 79884 100489 106512 159768 200978 301467 319536 401956 602934 703423 803912 904401 1205868 1406846 1607824 1808802 2110269 2411736 2813692 3617604 4220538 4823472 5627384 6330807 7235208 8441076 11254768 12661614 14470416 16882152 25323228 33764304 50646456 101292912