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102012112230 = 23571812683823
BaseRepresentation
bin101111100000001100…
…1010100110101100110
3100202022101210020022220
41133000121110311212
53132410100042410
6114510321333210
710240645434630
oct1370031246546
9322271706286
10102012112230
113a2991a5876
121792b797206
139809637bb2
144d1a38da50
1529c0be1070
hex17c0654d66

102012112230 has 64 divisors (see below), whose sum is σ = 281350637568. Its totient is φ = 23188222080.

The previous prime is 102012112187. The next prime is 102012112243. The reversal of 102012112230 is 32211210201.

It is a super-2 number, since 2×1020121122302 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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, 1303902 + ... + 1379921.

It is an arithmetic number, because the mean of its divisors is an integer number (4396103712).

Almost surely, 2102012112230 is an apocalyptic number.

102012112230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102012112230 is an abundant number, since it is smaller than the sum of its proper divisors (179338525338).

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

102012112230 is a wasteful number, since it uses less digits than its factorization.

102012112230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684021.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102012112230 its reverse (32211210201), we get a palindrome (134223322431).

The spelling of 102012112230 in words is "one hundred two billion, twelve million, one hundred twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 181 210 362 543 905 1086 1267 1810 2534 2715 3801 5430 6335 7602 12670 19005 38010 2683823 5367646 8051469 13419115 16102938 18786761 26838230 37573522 40257345 56360283 80514690 93933805 112720566 187867610 281801415 485771963 563602830 971543926 1457315889 2428859815 2914631778 3400403741 4857719630 6800807482 7286579445 10201211223 14573158890 17002018705 20402422446 34004037410 51006056115 102012112230