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126364455553 = 782121987899
BaseRepresentation
bin111010110101111101…
…0001001001010000001
3110002011120000110012111
41311223322021022001
54032243300034203
6134015004455321
712062300102260
oct1655372111201
9402146013174
10126364455553
1149655493846
12205a724a541
13bbba92abbb
14618a7065d7
153448ad026d
hex1d6be89281

126364455553 has 8 divisors (see below), whose sum is σ = 144592430400. Its totient is φ = 108180458160.

The previous prime is 126364455517. The next prime is 126364455559. The reversal of 126364455553 is 355554463621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-126364455553 is a prime.

It is a super-2 number, since 2×1263644555532 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126364455497 and 126364455506.

It is not an unprimeable number, because it can be changed into a prime (126364455559) 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, 10988203 + ... + 10999696.

It is an arithmetic number, because the mean of its divisors is an integer number (18074053800).

Almost surely, 2126364455553 is an apocalyptic number.

It is an amenable number.

126364455553 is a deficient number, since it is larger than the sum of its proper divisors (18227974847).

126364455553 is an equidigital number, since it uses as much as digits as its factorization.

126364455553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21988727.

The product of its digits is 6480000, while the sum is 49.

The spelling of 126364455553 in words is "one hundred twenty-six billion, three hundred sixty-four million, four hundred fifty-five thousand, five hundred fifty-three".

Divisors: 1 7 821 5747 21987899 153915293 18052065079 126364455553