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54217073946 = 2372944513197
BaseRepresentation
bin110010011111100101…
…101110010100011010
312011221110222201112210
4302133211232110122
51342014032331241
640523524015550
73626356344660
oct623745562432
9164843881483
1054217073946
1120aa2141132
12a6112315b6
135160646059
1428a482cc30
151624be8316
hexc9f96e51a

54217073946 has 32 divisors (see below), whose sum is σ = 128198010240. Its totient is φ = 14956433856.

The previous prime is 54217073929. The next prime is 54217074137. The reversal of 54217073946 is 64937071245.

It is a super-2 number, since 2×542170739462 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54217073895 and 54217073904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22255381 + ... + 22257816.

It is an arithmetic number, because the mean of its divisors is an integer number (4006187820).

Almost surely, 254217073946 is an apocalyptic number.

54217073946 is an abundant number, since it is smaller than the sum of its proper divisors (73980936294).

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

54217073946 is a wasteful number, since it uses less digits than its factorization.

54217073946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44513238.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 54217073946 in words is "fifty-four billion, two hundred seventeen million, seventy-three thousand, nine hundred forty-six".

Divisors: 1 2 3 6 7 14 21 29 42 58 87 174 203 406 609 1218 44513197 89026394 133539591 267079182 311592379 623184758 934777137 1290882713 1869554274 2581765426 3872648139 7745296278 9036178991 18072357982 27108536973 54217073946