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20313544235 = 521531886999
BaseRepresentation
bin10010111010110010…
…000001011000101011
31221102200111222002012
4102322302001120223
5313100231403420
613155405430135
71316250164015
oct227262013053
957380458065
1020313544235
118684514496
123b2ab6b34b
131bb963857a
14da9bc31b5
157dd552dc5
hex4bac8162b

20313544235 has 8 divisors (see below), whose sum is σ = 24387588000. Its totient is φ = 16243278784.

The previous prime is 20313544231. The next prime is 20313544253. The reversal of 20313544235 is 53244531302.

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

It is a cyclic number.

It is not a de Polignac number, because 20313544235 - 22 = 20313544231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20313544231) 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, 932735 + ... + 954264.

It is an arithmetic number, because the mean of its divisors is an integer number (3048448500).

Almost surely, 220313544235 is an apocalyptic number.

20313544235 is a deficient number, since it is larger than the sum of its proper divisors (4074043765).

20313544235 is a wasteful number, since it uses less digits than its factorization.

20313544235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889157.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 20313544235 in words is "twenty billion, three hundred thirteen million, five hundred forty-four thousand, two hundred thirty-five".

Divisors: 1 5 2153 10765 1886999 9434995 4062708847 20313544235