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61120055875485 = 3547128967257653
BaseRepresentation
bin11011110010110100111110…
…01110000001011110011101
322000102000112210010022201010
431321122133032001132131
531002342333301003420
6333554055511005433
715605530650665235
oct1571323716013635
9260360483108633
1061120055875485
1118524963166202
126a31587069879
13281479a795bb9
1411143256accc5
1570ed1615a4e0
hex37969f38179d

61120055875485 has 32 divisors (see below), whose sum is σ = 99950254456320. Its totient is φ = 31879050925568.

The previous prime is 61120055875469. The next prime is 61120055875573. The reversal of 61120055875485 is 58457855002116.

It is a cyclic number.

It is not a de Polignac number, because 61120055875485 - 24 = 61120055875469 is a prime.

It is a super-2 number, since 2×611200558754852 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32720082 + ... + 34537571.

It is an arithmetic number, because the mean of its divisors is an integer number (3123445451760).

Almost surely, 261120055875485 is an apocalyptic number.

It is an amenable number.

61120055875485 is a deficient number, since it is larger than the sum of its proper divisors (38830198580835).

61120055875485 is a wasteful number, since it uses less digits than its factorization.

61120055875485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67258997.

The product of its (nonzero) digits is 13440000, while the sum is 57.

The spelling of 61120055875485 in words is "sixty-one trillion, one hundred twenty billion, fifty-five million, eight hundred seventy-five thousand, four hundred eighty-five".

Divisors: 1 3 5 15 47 141 235 705 1289 3867 6445 19335 60583 181749 302915 908745 67257653 201772959 336288265 1008864795 3161109691 9483329073 15805548455 47416645365 86695114717 260085344151 433475573585 1300426720755 4074670391699 12224011175097 20373351958495 61120055875485