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2130745599 = 3223312231489
BaseRepresentation
bin111111100000000…
…1001100011111111
312111111101002110200
41333000021203333
513330432324344
6551233134543
7103542016203
oct17700114377
95444332420
102130745599
119a3828784
124b56ba453
1327c594318
14162db0b03
15c70dc069
hex7f0098ff

2130745599 has 48 divisors (see below), whose sum is σ = 3332259840. Its totient is φ = 1308130560.

The previous prime is 2130745597. The next prime is 2130745601. The reversal of 2130745599 is 9955470312.

It is a happy number.

2130745599 is a `hidden beast` number, since 2 + 13 + 0 + 7 + 45 + 599 = 666.

It is a Cunningham number, because it is equal to 461602-1.

It is an interprime number because it is at equal distance from previous prime (2130745597) and next prime (2130745601).

It is not a de Polignac number, because 2130745599 - 21 = 2130745597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130745597) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1430247 + ... + 1431735.

It is an arithmetic number, because the mean of its divisors is an integer number (69422080).

Almost surely, 22130745599 is an apocalyptic number.

2130745599 is a deficient number, since it is larger than the sum of its proper divisors (1201514241).

2130745599 is a wasteful number, since it uses less digits than its factorization.

2130745599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 2130745599 is about 46159.9999891681. Note that the first 4 decimals coincide. The cubic root of 2130745599 is about 1286.7984626181.

The spelling of 2130745599 in words is "two billion, one hundred thirty million, seven hundred forty-five thousand, five hundred ninety-nine".

Divisors: 1 3 9 23 31 69 93 207 223 279 669 713 1489 2007 2139 4467 5129 6417 6913 13401 15387 20739 34247 46159 46161 62217 102741 138477 158999 308223 332047 415431 476997 996141 1061657 1430991 2988423 3184971 7637081 9554913 10293457 22911243 30880371 68733729 92641113 236749511 710248533 2130745599