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102120341140 = 22537138000461
BaseRepresentation
bin101111100011011011…
…0001011111010010100
3100202120221102211111001
41133012312023322110
53133120301404030
6114525145153044
710243431402046
oct1370666137224
9322527384431
10102120341140
113a3442a7854
121795ba8b784
139825ba007c
144d2a8c3a96
1529ca46dcca
hex17c6d8be94

102120341140 has 24 divisors (see below), whose sum is σ = 220248737352. Its totient is φ = 39744132480.

The previous prime is 102120341131. The next prime is 102120341201. The reversal of 102120341140 is 41143021201.

It can be written as a sum of positive squares in 4 ways, for example, as 49845920644 + 52274420496 = 223262^2 + 228636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68999491 + ... + 69000970.

It is an arithmetic number, because the mean of its divisors is an integer number (9177030723).

Almost surely, 2102120341140 is an apocalyptic number.

102120341140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102120341140 is an abundant number, since it is smaller than the sum of its proper divisors (118128396212).

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

102120341140 is a wasteful number, since it uses less digits than its factorization.

102120341140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138000507 (or 138000505 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102120341140 its reverse (41143021201), we get a palindrome (143263362341).

The spelling of 102120341140 in words is "one hundred two billion, one hundred twenty million, three hundred forty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 138000461 276000922 552001844 690002305 1380004610 2760009220 5106017057 10212034114 20424068228 25530085285 51060170570 102120341140