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10219120140 = 2235170318669
BaseRepresentation
bin10011000010001101…
…10110011000001100
3222101012002002110010
421201012312120030
5131412043321030
64410011113220
7511145042115
oct114106663014
928335062403
1010219120140
114374477239
121b92442810
13c6b20a568
146cd2c120c
153ec2426b0
hex2611b660c

10219120140 has 24 divisors (see below), whose sum is σ = 28613536560. Its totient is φ = 2725098688.

The previous prime is 10219120103. The next prime is 10219120141. The reversal of 10219120140 is 4102191201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10219120141) 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, 85159275 + ... + 85159394.

It is an arithmetic number, because the mean of its divisors is an integer number (1192230690).

Almost surely, 210219120140 is an apocalyptic number.

10219120140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10219120140 is an abundant number, since it is smaller than the sum of its proper divisors (18394416420).

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

10219120140 is a wasteful number, since it uses less digits than its factorization.

10219120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170318681 (or 170318679 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 10219120140 in words is "ten billion, two hundred nineteen million, one hundred twenty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 170318669 340637338 510956007 681274676 851593345 1021912014 1703186690 2043824028 2554780035 3406373380 5109560070 10219120140