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2141998902 = 232823714447
BaseRepresentation
bin111111110101100…
…0100111100110110
312112021112211002200
41333223010330312
513341322431102
6552314245330
7104036455521
oct17753047466
95467484080
102141998902
119aa11452a
124b9426846
13281a04494
1416469dbb8
15c80b151c
hex7fac4f36

2141998902 has 24 divisors (see below), whose sum is σ = 4641882336. Its totient is φ = 713863536.

The previous prime is 2141998883. The next prime is 2141998907. The reversal of 2141998902 is 2098991412.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141998907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141043 + ... + 155489.

It is an arithmetic number, because the mean of its divisors is an integer number (193411764).

Almost surely, 22141998902 is an apocalyptic number.

2141998902 is an abundant number, since it is smaller than the sum of its proper divisors (2499883434).

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

2141998902 is a wasteful number, since it uses less digits than its factorization.

2141998902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22692 (or 22689 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 2141998902 is about 46281.7339994949. The cubic root of 2141998902 is about 1289.0598486063.

The spelling of 2141998902 in words is "two billion, one hundred forty-one million, nine hundred ninety-eight thousand, nine hundred two".

Divisors: 1 2 3 6 9 18 8237 14447 16474 24711 28894 43341 49422 74133 86682 130023 148266 260046 118999939 237999878 356999817 713999634 1070999451 2141998902