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102012222204 = 22336911366943
BaseRepresentation
bin101111100000001100…
…1101111101011111100
3100202022101222211012000
41133000121233223330
53132410112102304
6114510323542300
710240646403354
oct1370031575374
9322271884160
10102012222204
113a299270462
121792b82a990
139809675c79
144d1a3bbb64
1529c0c13939
hex17c066fafc

102012222204 has 48 divisors (see below), whose sum is σ = 264859069440. Its totient is φ = 33954839280.

The previous prime is 102012222203. The next prime is 102012222307. The reversal of 102012222204 is 402222210201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012222203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608844 + ... + 758099.

It is an arithmetic number, because the mean of its divisors is an integer number (5517897280).

Almost surely, 2102012222204 is an apocalyptic number.

It is an amenable number.

102012222204 is an abundant number, since it is smaller than the sum of its proper divisors (162846847236).

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

102012222204 is a wasteful number, since it uses less digits than its factorization.

102012222204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367647 (or 1367639 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 102012222204 its reverse (402222210201), we get a palindrome (504234432405).

The spelling of 102012222204 in words is "one hundred two billion, twelve million, two hundred twenty-two thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 691 1382 2073 2764 4146 6219 8292 12438 18657 24876 37314 74628 1366943 2733886 4100829 5467772 8201658 12302487 16403316 24604974 36907461 49209948 73814922 147629844 944557613 1889115226 2833672839 3778230452 5667345678 8501018517 11334691356 17002037034 25503055551 34004074068 51006111102 102012222204