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122113201384 = 23193283327917
BaseRepresentation
bin111000110111010000…
…0111001010011101000
3102200012021112100211101
41301232200321103220
54000041434421014
6132033101411144
711552036041246
oct1615640712350
9380167470741
10122113201384
114787379a649
121b7bb569ab4
13b690c47ca5
145ca5c6b796
15329a779474
hex1c6e8394e8

122113201384 has 32 divisors (see below), whose sum is σ = 230238070920. Its totient is φ = 60716630016.

The previous prime is 122113201373. The next prime is 122113201391. The reversal of 122113201384 is 483102311221.

It can be written as a sum of positive squares in 4 ways, for example, as 111207576484 + 10905624900 = 333478^2 + 104430^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4360194 + ... + 4388110.

Almost surely, 2122113201384 is an apocalyptic number.

It is an amenable number.

122113201384 is a deficient number, since it is larger than the sum of its proper divisors (108124869536).

122113201384 is a wasteful number, since it uses less digits than its factorization.

122113201384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30949 (or 30945 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 122113201384 in words is "one hundred twenty-two billion, one hundred thirteen million, two hundred one thousand, three hundred eighty-four".

Divisors: 1 2 4 8 193 386 772 1544 2833 5666 11332 22664 27917 55834 111668 223336 546769 1093538 2187076 4374152 5387981 10775962 21551924 43103848 79088861 158177722 316355444 632710888 15264150173 30528300346 61056600692 122113201384