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105007217142 = 231717919928901
BaseRepresentation
bin110000111001011101…
…0101111100111110110
3101001001010121022212110
41201302322233213312
53210023321422032
6120123433031450
710405114422132
oct1416272574766
9331033538773
10105007217142
1140595922493
1218426855586
139b95cc7319
1451220803c2
152ae8b197cc
hex1872eaf9f6

105007217142 has 64 divisors (see below), whose sum is σ = 224741952000. Its totient is φ = 32593651200.

The previous prime is 105007217093. The next prime is 105007217149. The reversal of 105007217142 is 241712700501.

It is a super-2 number, since 2×1050072171422 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105007217149) 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 31 ways as a sum of consecutive naturals, for example, 3618892 + ... + 3647792.

It is an arithmetic number, because the mean of its divisors is an integer number (3511593000).

Almost surely, 2105007217142 is an apocalyptic number.

105007217142 is an abundant number, since it is smaller than the sum of its proper divisors (119734734858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105007217142 is a wasteful number, since it uses less digits than its factorization.

105007217142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29301.

The product of its (nonzero) digits is 3920, while the sum is 30.

Adding to 105007217142 its reverse (241712700501), we get a palindrome (346719917643).

The spelling of 105007217142 in words is "one hundred five billion, seven million, two hundred seventeen thousand, one hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 179 199 358 398 537 597 1074 1194 3043 3383 6086 6766 9129 10149 18258 20298 28901 35621 57802 71242 86703 106863 173406 213726 491317 605557 982634 1211114 1473951 1816671 2947902 3633342 5173279 5751299 10346558 11502598 15519837 17253897 31039674 34507794 87945743 97772083 175891486 195544166 263837229 293316249 527674458 586632498 1029482521 2058965042 3088447563 6176895126 17501202857 35002405714 52503608571 105007217142