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30545155032321 = 378712937380361
BaseRepresentation
bin1101111000111110110010…
…00111011000010100000001
311000011002101101001210011010
412330133121013120110001
513000422434142013241
6144544130035311133
76301546262613246
oct674373107302401
9130132341053133
1030545155032321
119807144783686
123513a3274b4a9
13140751b63c757
147785716775cd
1537e839c70d16
hex1bc7d91d8501

30545155032321 has 8 divisors (see below), whose sum is σ = 40778622901024. Its totient is φ = 20337561925920.

The previous prime is 30545155032181. The next prime is 30545155032347. The reversal of 30545155032321 is 12323055154503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30545155032321 - 215 = 30545154999553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30545155032321.

It is not an unprimeable number, because it can be changed into a prime (30545155032391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6468687820 + ... + 6468692541.

It is an arithmetic number, because the mean of its divisors is an integer number (5097327862628).

Almost surely, 230545155032321 is an apocalyptic number.

It is an amenable number.

30545155032321 is a deficient number, since it is larger than the sum of its proper divisors (10233467868703).

30545155032321 is a wasteful number, since it uses less digits than its factorization.

30545155032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12937381151.

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 30545155032321 in words is "thirty trillion, five hundred forty-five billion, one hundred fifty-five million, thirty-two thousand, three hundred twenty-one".

Divisors: 1 3 787 2361 12937380361 38812141083 10181718344107 30545155032321