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122748676942 = 2294357418573
BaseRepresentation
bin111001001010001100…
…1000010101101001110
3102201211120021212102011
41302110121002231032
54002342130130232
6132220122051434
711603553352543
oct1622431025516
9381746255364
10122748676942
114806a478861
121b958349b7a
13b7627b4c28
145d2640abca
1532d6453547
hex1c94642b4e

122748676942 has 32 divisors (see below), whose sum is σ = 194958355680. Its totient is φ = 57863057280.

The previous prime is 122748676903. The next prime is 122748676943. The reversal of 122748676942 is 249676847221.

It is a super-2 number, since 2×1227486769422 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122748676943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14313768 + ... + 14322340.

It is an arithmetic number, because the mean of its divisors is an integer number (6092448615).

Almost surely, 2122748676942 is an apocalyptic number.

122748676942 is a deficient number, since it is larger than the sum of its proper divisors (72209678738).

122748676942 is a wasteful number, since it uses less digits than its factorization.

122748676942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14388.

The product of its digits is 16257024, while the sum is 58.

The spelling of 122748676942 in words is "one hundred twenty-two billion, seven hundred forty-eight million, six hundred seventy-six thousand, nine hundred forty-two".

Divisors: 1 2 29 43 58 86 1247 2494 5741 8573 11482 17146 166489 246863 248617 332978 368639 493726 497234 737278 7159027 10690531 14318054 21381062 49217593 98435186 1427310197 2116356499 2854620394 4232712998 61374338471 122748676942