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245000247269 = 1939397135089
BaseRepresentation
bin1110010000101100100…
…1110001011111100101
3212102101111012002202012
43210023021301133211
513003230030403034
6304315045324005
723462222512121
oct3441311613745
9772344162665
10245000247269
11949a4285aa8
123b596106605
131a1462b8a1b
14bc027b6581
15658de10cce
hex390b2717e5

245000247269 has 8 divisors (see below), whose sum is σ = 246297709080. Its totient is φ = 243703074816.

The previous prime is 245000247251. The next prime is 245000247277. The reversal of 245000247269 is 962742000542.

It can be written as a sum of positive squares in 4 ways, for example, as 13771022500 + 231229224769 = 117350^2 + 480863^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-245000247269 is a prime.

It is a super-2 number, since 2×2450002472692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245000243269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1746077 + ... + 1881165.

It is an arithmetic number, because the mean of its divisors is an integer number (30787213635).

Almost surely, 2245000247269 is an apocalyptic number.

It is an amenable number.

245000247269 is a deficient number, since it is larger than the sum of its proper divisors (1297461811).

245000247269 is a wasteful number, since it uses less digits than its factorization.

245000247269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144679.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 245000247269 in words is "two hundred forty-five billion, two hundred forty-seven thousand, two hundred sixty-nine".

Divisors: 1 193 9397 135089 1813621 26072177 1269431333 245000247269