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1305153355451 = 112923331356101
BaseRepresentation
bin10010111111100001001…
…100111011111010111011
311121202211101022000220212
4102333201030323322323
5132340423224333301
62435325033541335
7163202626322321
oct22774114737273
94552741260825
101305153355451
11463570053440
12190b4527484b
13960c995b2aa
1447253b69d11
1523e3b5704bb
hex12fe133bebb

1305153355451 has 32 divisors (see below), whose sum is σ = 1483974198720. Its totient is φ = 1137007872000.

The previous prime is 1305153355421. The next prime is 1305153355469. The reversal of 1305153355451 is 1545533515031.

It is a de Polignac number, because none of the positive numbers 2k-1305153355451 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1305153355399 and 1305153355408.

It is not an unprimeable number, because it can be changed into a prime (1305153355411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23236301 + ... + 23292401.

It is an arithmetic number, because the mean of its divisors is an integer number (46374193710).

Almost surely, 21305153355451 is an apocalyptic number.

1305153355451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1305153355451 is a deficient number, since it is larger than the sum of its proper divisors (178820843269).

1305153355451 is a wasteful number, since it uses less digits than its factorization.

1305153355451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56687.

The product of its (nonzero) digits is 337500, while the sum is 41.

The spelling of 1305153355451 in words is "one trillion, three hundred five billion, one hundred fifty-three million, three hundred fifty-five thousand, four hundred fifty-one".

Divisors: 1 11 29 233 313 319 2563 3443 6757 9077 56101 72929 74327 99847 617111 802219 1626929 2114941 13071533 17559613 17896219 23264351 143786863 193155743 379074457 509228777 4091389829 4169819027 5601516547 45005288119 118650305041 1305153355451