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2142942514 = 21734672
BaseRepresentation
bin111111110111010…
…1011010100110010
312112100022202111021
41333232223110302
513342043130024
6552350410054
7104050465546
oct17756532462
95470282437
102142942514
119aa6a9479
124b980092a
13281c74b2b
14164867a26
15c81eade4
hex7fbab532

2142942514 has 24 divisors (see below), whose sum is σ = 3422602620. Its totient is φ = 1006284128.

The previous prime is 2142942479. The next prime is 2142942533. The reversal of 2142942514 is 4152492412.

It can be written as a sum of positive squares in 2 ways, for example, as 2137490289 + 5452225 = 46233^2 + 2335^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 2142942514.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4588509 + ... + 4588975.

Almost surely, 22142942514 is an apocalyptic number.

2142942514 is a deficient number, since it is larger than the sum of its proper divisors (1279660106).

2142942514 is an frugal number, since it uses more digits than its factorization.

2142942514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 486 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 2142942514 is about 46291.9270931768. The cubic root of 2142942514 is about 1289.2491101055.

Multiplying 2142942514 by its sum of digits (34), we get a square (72860045476 = 2699262).

2142942514 divided by its sum of digits (34) gives a square (63027721 = 79392).

The spelling of 2142942514 in words is "two billion, one hundred forty-two million, nine hundred forty-two thousand, five hundred fourteen".

Divisors: 1 2 17 34 289 467 578 934 4913 7939 9826 15878 134963 218089 269926 436178 2294371 3707513 4588742 7415026 63027721 126055442 1071471257 2142942514