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1928291102011 = 19101489005369
BaseRepresentation
bin11100000011110111000…
…110110010110100111011
320211100020220220101202101
4130003313012302310323
5223043120010231021
64033502242244231
7256212564633361
oct34036706626473
96740226811671
101928291102011
1168386906942a
12271870956677
1310cab60763a1
1469488d17631
153525c85ba91
hex1c0f71b2d3b

1928291102011 has 4 divisors (see below), whose sum is σ = 2029780107400. Its totient is φ = 1826802096624.

The previous prime is 1928291101981. The next prime is 1928291102027. The reversal of 1928291102011 is 1102011928291.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1928291102011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1928291102071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50744502666 + ... + 50744502703.

It is an arithmetic number, because the mean of its divisors is an integer number (507445026850).

Almost surely, 21928291102011 is an apocalyptic number.

1928291102011 is a deficient number, since it is larger than the sum of its proper divisors (101489005389).

1928291102011 is a wasteful number, since it uses less digits than its factorization.

1928291102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101489005388.

The product of its (nonzero) digits is 5184, while the sum is 37.

It can be divided in two parts, 1928291 and 102011, that added together give a palindrome (2030302).

The spelling of 1928291102011 in words is "one trillion, nine hundred twenty-eight billion, two hundred ninety-one million, one hundred two thousand, eleven".

Divisors: 1 19 101489005369 1928291102011