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190215111324 = 223715120037487
BaseRepresentation
bin1011000100100110110…
…1000100001010011100
3200011222102021211122010
42301021231010022130
511104030032030244
6223214505551220
716512464524530
oct2611155041234
9604872254563
10190215111324
1173740520547
1230a467a5510
1314c2507a214
1492c6755bc0
154e34407eb9
hex2c49b4429c

190215111324 has 96 divisors (see below), whose sum is σ = 510922653696. Its totient is φ = 53953099200.

The previous prime is 190215111271. The next prime is 190215111329. The reversal of 190215111324 is 423111512091.

It is a junction number, because it is equal to n+sod(n) for n = 190215111291 and 190215111300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190215111329) 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, 25402309 + ... + 25409795.

It is an arithmetic number, because the mean of its divisors is an integer number (5322110976).

Almost surely, 2190215111324 is an apocalyptic number.

190215111324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190215111324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255461326848).

190215111324 is an abundant number, since it is smaller than the sum of its proper divisors (320707542372).

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

190215111324 is a wasteful number, since it uses less digits than its factorization.

190215111324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9655 (or 9653 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 190215111324 in words is "one hundred ninety billion, two hundred fifteen million, one hundred eleven thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 151 302 453 604 906 1057 1812 2003 2114 3171 4006 4228 6009 6342 7487 8012 12018 12684 14021 14974 22461 24036 28042 29948 42063 44922 52409 56084 84126 89844 104818 157227 168252 209636 302453 314454 604906 628908 907359 1130537 1209812 1814718 2117171 2261074 3391611 3629436 4234342 4522148 6351513 6783222 7913759 8468684 12703026 13566444 14996461 15827518 23741277 25406052 29992922 31655036 44989383 47482554 59985844 89978766 94965108 104975227 179957532 209950454 314925681 419900908 629851362 1259702724 2264465611 4528931222 6793396833 9057862444 13586793666 15851259277 27173587332 31702518554 47553777831 63405037108 95107555662 190215111324