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55150161100 = 2252691798121
BaseRepresentation
bin110011010111001101…
…001010110011001100
312021100111202110111021
4303113031022303030
51400421420123400
641200255203524
73661446430456
oct632715126314
9167314673437
1055150161100
1121430912341
12a8318165a4
13527ba55928
14295271d2d6
15167baad71a
hexcd734accc

55150161100 has 36 divisors (see below), whose sum is σ = 119849192008. Its totient is φ = 22028112000.

The previous prime is 55150161067. The next prime is 55150161151. The reversal of 55150161100 is 116105155.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329961 + ... + 468160.

Almost surely, 255150161100 is an apocalyptic number.

55150161100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55150161100 is an abundant number, since it is smaller than the sum of its proper divisors (64699030908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55150161100 is a wasteful number, since it uses less digits than its factorization.

55150161100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798826 (or 798819 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 55150161100 its reverse (116105155), we get a palindrome (55266266255).

The spelling of 55150161100 in words is "fifty-five billion, one hundred fifty million, one hundred sixty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 691 1382 2764 3455 6910 13820 17275 34550 69100 798121 1596242 3192484 3990605 7981210 15962420 19953025 39906050 79812100 551501611 1103003222 2206006444 2757508055 5515016110 11030032220 13787540275 27575080550 55150161100