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1930193615933 = 11175472146903
BaseRepresentation
bin11100000101101000100…
…000010011110000111101
320211112011111211010012222
4130011220200103300331
5223111014031202213
64034415123535125
7256310666013242
oct34055040236075
96745144733188
101930193615933
11684654a81290
12272101b2a4a5
1311002a27a27b
14695c98775c9
153531e8b4808
hex1c168813c3d

1930193615933 has 4 divisors (see below), whose sum is σ = 2105665762848. Its totient is φ = 1754721469020.

The previous prime is 1930193615927. The next prime is 1930193615953. The reversal of 1930193615933 is 3395163910391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1930193615933 - 26 = 1930193615869 is a prime.

It is a super-4 number, since 4×19301936159334 (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930193615923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87736073441 + ... + 87736073462.

It is an arithmetic number, because the mean of its divisors is an integer number (526416440712).

Almost surely, 21930193615933 is an apocalyptic number.

It is an amenable number.

1930193615933 is a deficient number, since it is larger than the sum of its proper divisors (175472146915).

1930193615933 is a wasteful number, since it uses less digits than its factorization.

1930193615933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175472146914.

The product of its (nonzero) digits is 1771470, while the sum is 53.

The spelling of 1930193615933 in words is "one trillion, nine hundred thirty billion, one hundred ninety-three million, six hundred fifteen thousand, nine hundred thirty-three".

Divisors: 1 11 175472146903 1930193615933