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123053355454 = 21011494088423
BaseRepresentation
bin111001010011010001…
…1010011000110111110
3102202121210121010202111
41302212203103012332
54004003124333304
6132310244244234
711614243156231
oct1624643230676
9382553533674
10123053355454
1148206458287
121ba223a067a
13b7b0960383
145d54a7b418
153303088704
hex1ca68d31be

123053355454 has 16 divisors (see below), whose sum is σ = 187658661600. Its totient is φ = 60508645600.

The previous prime is 123053355409. The next prime is 123053355497. The reversal of 123053355454 is 454553350321.

It is a super-2 number, since 2×1230533554542 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 2014114 + ... + 2074309.

It is an arithmetic number, because the mean of its divisors is an integer number (11728666350).

Almost surely, 2123053355454 is an apocalyptic number.

123053355454 is a deficient number, since it is larger than the sum of its proper divisors (64605306146).

123053355454 is a wasteful number, since it uses less digits than its factorization.

123053355454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088675.

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 123053355454 in words is "one hundred twenty-three billion, fifty-three million, three hundred fifty-five thousand, four hundred fifty-four".

Divisors: 1 2 101 149 202 298 15049 30098 4088423 8176846 412930723 609175027 825861446 1218350054 61526677727 123053355454