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20013653151104 = 27156356665243
BaseRepresentation
bin1001000110011110010101…
…01011111100110110000000
32121212021201220021102222212
410203033022223330312000
510110400430201313404
6110322051220321252
74133636660626064
oct443171253746600
977767656242885
1020013653151104
1164168194a3598
1222b2943b43228
13b22382aa0a82
144d2947647aa4
1524a90380406e
hex1233caafcd80

20013653151104 has 16 divisors (see below), whose sum is σ = 39870949637220. Its totient is φ = 10006826575488.

The previous prime is 20013653151067. The next prime is 20013653151109. The reversal of 20013653151104 is 40115135631002.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013653151109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78178332494 + ... + 78178332749.

Almost surely, 220013653151104 is an apocalyptic number.

It is an amenable number.

20013653151104 is a deficient number, since it is larger than the sum of its proper divisors (19857296486116).

20013653151104 is an equidigital number, since it uses as much as digits as its factorization.

20013653151104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156356665257 (or 156356665245 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 20013653151104 its reverse (40115135631002), we get a palindrome (60128788782106).

The spelling of 20013653151104 in words is "twenty trillion, thirteen billion, six hundred fifty-three million, one hundred fifty-one thousand, one hundred four".

Divisors: 1 2 4 8 16 32 64 128 156356665243 312713330486 625426660972 1250853321944 2501706643888 5003413287776 10006826575552 20013653151104