Search a number
-
+
101198129802 = 237111911528609
BaseRepresentation
bin101111000111111100…
…0001110101010001010
3100200012200010122100120
41132033320032222022
53124223210123202
6114253443044110
710211532624210
oct1361770165212
9320180118316
10101198129802
1139a10784820
1217743070636
139709aca8a3
144c80224cb0
1529745060bc
hex178fe0ea8a

101198129802 has 64 divisors (see below), whose sum is σ = 265619174400. Its totient is φ = 24901793280.

The previous prime is 101198129789. The next prime is 101198129803. The reversal of 101198129802 is 208921891101.

It is a happy number.

It is a super-2 number, since 2×1011981298022 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (101198129803) 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, 5755527 + ... + 5773082.

It is an arithmetic number, because the mean of its divisors is an integer number (4150299600).

Almost surely, 2101198129802 is an apocalyptic number.

101198129802 is an abundant number, since it is smaller than the sum of its proper divisors (164421044598).

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

101198129802 is a wasteful number, since it uses less digits than its factorization.

101198129802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11528651.

The product of its (nonzero) digits is 20736, while the sum is 42.

The spelling of 101198129802 in words is "one hundred one billion, one hundred ninety-eight million, one hundred twenty-nine thousand, eight hundred two".

Divisors: 1 2 3 6 7 11 14 19 21 22 33 38 42 57 66 77 114 133 154 209 231 266 399 418 462 627 798 1254 1463 2926 4389 8778 11528609 23057218 34585827 69171654 80700263 126814699 161400526 219043571 242100789 253629398 380444097 438087142 484201578 657130713 760888194 887702893 1314261426 1533304997 1775405786 2409479281 2663108679 3066609994 4599914991 4818958562 5326217358 7228437843 9199829982 14456875686 16866354967 33732709934 50599064901 101198129802