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20374650103451 = 7124921317109321
BaseRepresentation
bin1001010000111110101111…
…10010000010011010011011
32200010210112101201201000012
410220133113302002122123
510132304240411302301
6111155552434032135
74202006552244650
oct450372762023233
980123471651005
1020374650103451
1165459278a9a06
1223508b111864b
13b4a423a6a797
145061d17d5c27
15254ed0ee3ebb
hex1287d7c8269b

20374650103451 has 16 divisors (see below), whose sum is σ = 23305263960000. Its totient is φ = 17449025218560.

The previous prime is 20374650103433. The next prime is 20374650103501. The reversal of 20374650103451 is 15430105647302.

It is a cyclic number.

It is not a de Polignac number, because 20374650103451 - 226 = 20374582994587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20374650103399 and 20374650103408.

It is not an unprimeable number, because it can be changed into a prime (20374650163451) 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 15 ways as a sum of consecutive naturals, for example, 186319871 + ... + 186429191.

It is an arithmetic number, because the mean of its divisors is an integer number (1456578997500).

Almost surely, 220374650103451 is an apocalyptic number.

20374650103451 is a deficient number, since it is larger than the sum of its proper divisors (2930613856549).

20374650103451 is a wasteful number, since it uses less digits than its factorization.

20374650103451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131894.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 20374650103451 in words is "twenty trillion, three hundred seventy-four billion, six hundred fifty million, one hundred three thousand, four hundred fifty-one".

Divisors: 1 7 1249 8743 21317 109321 149219 765247 26624933 136541929 186374531 955793503 2330395757 16312770299 2910664300493 20374650103451