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100055205012455 = 57111680711546273
BaseRepresentation
bin10110101111111111101010…
…111100111110001111100111
3111010021011222021021201200122
4112233333222330332033213
5101103301024440344310
6552444420541432155
730034515153044360
oct2657775274761747
9433234867251618
10100055205012455
11299761a0883110
12b27b45186b65b
1343aa21c3651a4
141a9c9aa92cb67
15b879eb0b5555
hex5affeaf3e3e7

100055205012455 has 32 divisors (see below), whose sum is σ = 149693969507328. Its totient is φ = 62371664409600.

The previous prime is 100055205012449. The next prime is 100055205012457. The reversal of 100055205012455 is 554210502550001.

It is a de Polignac number, because none of the positive numbers 2k-100055205012455 is a prime.

It is a super-2 number, since 2×1000552050124552 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100055205012457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63934199 + ... + 65480471.

It is an arithmetic number, because the mean of its divisors is an integer number (4677936547104).

Almost surely, 2100055205012455 is an apocalyptic number.

100055205012455 is a deficient number, since it is larger than the sum of its proper divisors (49638764494873).

100055205012455 is a wasteful number, since it uses less digits than its factorization.

100055205012455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714367.

The product of its (nonzero) digits is 50000, while the sum is 35.

Adding to 100055205012455 its reverse (554210502550001), we get a palindrome (654265707562456).

The spelling of 100055205012455 in words is "one hundred trillion, fifty-five billion, two hundred five million, twelve thousand, four hundred fifty-five".

Divisors: 1 5 7 11 35 55 77 385 168071 840355 1176497 1546273 1848781 5882485 7731365 9243905 10823911 12941467 17009003 54119555 64707335 85045015 119063021 595315105 259883649383 1299418246915 1819185545681 2858720143213 9095927728405 14293600716065 20011041002491 100055205012455