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1240100092 = 2271122717737
BaseRepresentation
bin100100111101010…
…0110110011111100
310012102110121112001
41021322212303330
510014431200332
6323015352044
742505451110
oct11172466374
93172417461
101240100092
11587005610
122a7382624
13169bc474a
14ba9ab740
1573d0c0e7
hex49ea6cfc

1240100092 has 48 divisors (see below), whose sum is σ = 2717745408. Its totient is φ = 481000320.

The previous prime is 1240100087. The next prime is 1240100107. The reversal of 1240100092 is 2900010421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61048 + ... + 78784.

It is an arithmetic number, because the mean of its divisors is an integer number (56619696).

Almost surely, 21240100092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240100092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358872704).

1240100092 is an abundant number, since it is smaller than the sum of its proper divisors (1477645316).

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

1240100092 is a wasteful number, since it uses less digits than its factorization.

1240100092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17986 (or 17984 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1240100092 is about 35215.0549055372. The cubic root of 1240100092 is about 1074.3659768096.

It can be divided in two parts, 12 and 40100092, that added together give a palindrome (40100104).

The spelling of 1240100092 in words is "one billion, two hundred forty million, one hundred thousand, ninety-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 227 308 454 908 1589 2497 3178 4994 6356 9988 17479 17737 34958 35474 69916 70948 124159 195107 248318 390214 496636 780428 1365749 2731498 4026299 5462996 8052598 16105196 28184093 44289289 56368186 88578578 112736372 177157156 310025023 620050046 1240100092