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250434032021 = 5692137205957
BaseRepresentation
bin1110100100111100001…
…0000001000110010101
3212221102011210222010022
43221033002001012111
513100342103011041
6311014154234525
724043663102145
oct3511702010625
9787364728108
10250434032021
11972325339a8
1240651a25a45
131a800c87784
14c19a314925
1567aaea124b
hex3a4f081195

250434032021 has 8 divisors (see below), whose sum is σ = 250992776280. Its totient is φ = 249875705088.

The previous prime is 250434032003. The next prime is 250434032039. The reversal of 250434032021 is 120230434052.

It is an interprime number because it is at equal distance from previous prime (250434032003) and next prime (250434032039).

It can be written as a sum of positive squares in 4 ways, for example, as 7197655921 + 243236376100 = 84839^2 + 493190^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 250434032021 - 210 = 250434030997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250434032041) 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, 1112975 + ... + 1318931.

It is an arithmetic number, because the mean of its divisors is an integer number (31374097035).

Almost surely, 2250434032021 is an apocalyptic number.

It is an amenable number.

250434032021 is a deficient number, since it is larger than the sum of its proper divisors (558744259).

250434032021 is a wasteful number, since it uses less digits than its factorization.

250434032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208663.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 250434032021 its reverse (120230434052), we get a palindrome (370664466073).

The spelling of 250434032021 in words is "two hundred fifty billion, four hundred thirty-four million, thirty-two thousand, twenty-one".

Divisors: 1 569 2137 205957 1215953 117189533 440130109 250434032021