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100190019018 = 23299710915441
BaseRepresentation
bin101110101001111001…
…0100101110111001010
3100120121102012022100010
41131103302211313022
53120142121102033
6114005431452350
710144542052545
oct1352362456712
9316542168303
10100190019018
1139543721211
12175015270b6
1395a8cb0a2b
144bc63a585c
152915c71863
hex1753ca5dca

100190019018 has 64 divisors (see below), whose sum is σ = 209657185920. Its totient is φ = 31877529600.

The previous prime is 100190018969. The next prime is 100190019019. The reversal of 100190019018 is 810910091001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100190019019) 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, 18411178 + ... + 18416618.

It is an arithmetic number, because the mean of its divisors is an integer number (3275893530).

Almost surely, 2100190019018 is an apocalyptic number.

100190019018 is an abundant number, since it is smaller than the sum of its proper divisors (109467166902).

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

100190019018 is a wasteful number, since it uses less digits than its factorization.

100190019018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663.

The product of its (nonzero) digits is 648, while the sum is 30.

The spelling of 100190019018 in words is "one hundred billion, one hundred ninety million, nineteen thousand, eighteen".

Divisors: 1 2 3 6 29 58 87 97 174 194 291 582 1091 2182 2813 3273 5441 5626 6546 8439 10882 16323 16878 31639 32646 63278 94917 105827 157789 189834 211654 315578 317481 473367 527777 634962 946734 1055554 1583331 3068983 3166662 5936131 6137966 9206949 11872262 15305533 17808393 18413898 30611066 35616786 45916599 91833198 172147799 344295598 516443397 575804707 1032886794 1151609414 1727414121 3454828242 16698336503 33396673006 50095009509 100190019018