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55142212601 = 7101673115891
BaseRepresentation
bin110011010110101110…
…110110001111111001
312021022221210122012102
4303112232312033321
51400412401300401
641155412553145
73661322034140
oct632656661771
9167287718172
1055142212601
1121427383533
12a82b0227b5
13527a201a88
142951650757
15167b03d56b
hexcd6bb63f9

55142212601 has 16 divisors (see below), whose sum is σ = 63738745728. Its totient is φ = 46726848000.

The previous prime is 55142212597. The next prime is 55142212613. The reversal of 55142212601 is 10621224155.

It is not a de Polignac number, because 55142212601 - 22 = 55142212597 is a prime.

It is a super-2 number, since 2×551422126012 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55142214601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417866 + ... + 533756.

It is an arithmetic number, because the mean of its divisors is an integer number (3983671608).

Almost surely, 255142212601 is an apocalyptic number.

It is an amenable number.

55142212601 is a deficient number, since it is larger than the sum of its proper divisors (8596533127).

55142212601 is a wasteful number, since it uses less digits than its factorization.

55142212601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116672.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 55142212601 its reverse (10621224155), we get a palindrome (65763436756).

The spelling of 55142212601 in words is "fifty-five billion, one hundred forty-two million, two hundred twelve thousand, six hundred one".

Divisors: 1 7 101 673 707 4711 67973 115891 475811 811237 11704991 77994643 81934937 545962501 7877458943 55142212601