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122090781796 = 2231712195319
BaseRepresentation
bin111000110110100101…
…1010111110001100100
3102200010201100022221021
41301231023113301210
54000020220004141
6132030541100524
711551344344104
oct1615513276144
9380121308837
10122090781796
1147862077465
121b7b3b57744
13b6893c8469
145ca2cb3204
1532987eb6d1
hex1c6d2d7c64

122090781796 has 36 divisors (see below), whose sum is σ = 223702339840. Its totient is φ = 58243827600.

The previous prime is 122090781773. The next prime is 122090781809. The reversal of 122090781796 is 697187090221.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 527425 + ... + 722743.

Almost surely, 2122090781796 is an apocalyptic number.

It is an amenable number.

122090781796 is a deficient number, since it is larger than the sum of its proper divisors (101611558044).

122090781796 is a wasteful number, since it uses less digits than its factorization.

122090781796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195496 (or 195423 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 122090781796 in words is "one hundred twenty-two billion, ninety million, seven hundred eighty-one thousand, seven hundred ninety-six".

Divisors: 1 2 4 31 62 71 124 142 284 2201 4402 5041 8804 10082 20164 156271 195319 312542 390638 625084 781276 6054889 12109778 13867649 24219556 27735298 55470596 429897119 859794238 984603079 1719588476 1969206158 3938412316 30522695449 61045390898 122090781796