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122421004307 = 74197336761
BaseRepresentation
bin111001000000011011…
…1000100100000010011
3102200222201201101001122
41302000313010200103
54001204234114212
6132123414552455
711562464240000
oct1620067044023
9380881641048
10122421004307
1147a11513528
121b88666872b
13b70c9485b4
145cd4ab28a7
1532b77ca272
hex1c80dc4813

122421004307 has 40 divisors (see below), whose sum is σ = 152396135760. Its totient is φ = 98045095680.

The previous prime is 122421004283. The next prime is 122421004309. The reversal of 122421004307 is 703400124221.

It is not a de Polignac number, because 122421004307 - 210 = 122421003283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122421004309) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3311807 + ... + 3348567.

It is an arithmetic number, because the mean of its divisors is an integer number (3809903394).

Almost surely, 2122421004307 is an apocalyptic number.

122421004307 is a deficient number, since it is larger than the sum of its proper divisors (29975131453).

122421004307 is an frugal number, since it uses more digits than its factorization.

122421004307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36881 (or 36860 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 122421004307 its reverse (703400124221), we get a palindrome (825821128528).

The spelling of 122421004307 in words is "one hundred twenty-two billion, four hundred twenty-one million, four thousand, three hundred seven".

Divisors: 1 7 19 49 73 133 343 511 931 1387 2401 3577 6517 9709 25039 36761 45619 67963 175273 257327 475741 698459 1801289 2683553 3330187 4889213 12609023 18784871 34224491 50987507 88263161 131494097 239571437 356912549 920458679 1677000059 2498387843 6443210753 17488714901 122421004307