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20030552832 = 28351072
BaseRepresentation
bin10010101001111010…
…011111101100000000
31220200222000111212010
4102221322133230000
5312010310142312
613111340132520
71306242614133
oct225172375400
956628014763
1020030552832
1185497a78a4
123a70237140
131b72b14434
14d8039a21a
157c37a393c
hex4a9e9fb00

20030552832 has 54 divisors (see below), whose sum is σ = 53320922508. Its totient is φ = 6675543552.

The previous prime is 20030552831. The next prime is 20030552833. The reversal of 20030552832 is 23825503002.

It is an interprime number because it is at equal distance from previous prime (20030552831) and next prime (20030552833).

It is a self number, because there is not a number n which added to its sum of digits gives 20030552832.

It is not an unprimeable number, because it can be changed into a prime (20030552831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3919623 + ... + 3924729.

Almost surely, 220030552832 is an apocalyptic number.

It is an amenable number.

20030552832 is an abundant number, since it is smaller than the sum of its proper divisors (33290369676).

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

20030552832 is an frugal number, since it uses more digits than its factorization.

20030552832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10233 (or 5112 counting only the distinct ones).

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

The spelling of 20030552832 in words is "twenty billion, thirty million, five hundred fifty-two thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 5107 10214 15321 20428 30642 40856 61284 81712 122568 163424 245136 326848 490272 653696 980544 1307392 1961088 3922176 26081449 52162898 78244347 104325796 156488694 208651592 312977388 417303184 625954776 834606368 1251909552 1669212736 2503819104 3338425472 5007638208 6676850944 10015276416 20030552832