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205152020364 = 223191038735821
BaseRepresentation
bin1011111100010000000…
…0110110011110001100
3201121112101201102210110
42333010000312132030
511330122404122424
6234125011440020
720551600254354
oct2770400663614
9647471642713
10205152020364
117a005a70375
1233914bb6010
1316465806435
149d02435b64
15550a908c29
hex2fc403678c

205152020364 has 48 divisors (see below), whose sum is σ = 508774273280. Its totient is φ = 64155862080.

The previous prime is 205152020329. The next prime is 205152020431. The reversal of 205152020364 is 463020251502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4344427 + ... + 4391394.

Almost surely, 2205152020364 is an apocalyptic number.

It is an amenable number.

205152020364 is an abundant number, since it is smaller than the sum of its proper divisors (303622252916).

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

205152020364 is a wasteful number, since it uses less digits than its factorization.

205152020364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8735950 (or 8735948 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 205152020364 its reverse (463020251502), we get a palindrome (668172271866).

The spelling of 205152020364 in words is "two hundred five billion, one hundred fifty-two million, twenty thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 103 114 206 228 309 412 618 1236 1957 3914 5871 7828 11742 23484 8735821 17471642 26207463 34943284 52414926 104829852 165980599 331961198 497941797 663922396 899789563 995883594 1799579126 1991767188 2699368689 3599158252 5398737378 10797474756 17096001697 34192003394 51288005091 68384006788 102576010182 205152020364