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1028828848824 = 233272970390589
BaseRepresentation
bin11101111100010101111…
…10100110001010111000
310122100120211222200110200
432332022332212022320
5113324020141130244
62104345404442200
7134221223631660
oct16761276461270
93570524880420
101028828848824
11367362077797
12147488849360
1376030b2a47a
1437b1d1111a0
151bb67652669
hexef8afa62b8

1028828848824 has 96 divisors (see below), whose sum is σ = 3294279612000. Its totient is φ = 283814850816.

The previous prime is 1028828848819. The next prime is 1028828848871. The reversal of 1028828848824 is 4288488288201.

1028828848824 is a `hidden beast` number, since 10 + 288 + 288 + 48 + 8 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35180679 + ... + 35209910.

It is an arithmetic number, because the mean of its divisors is an integer number (34315412625).

Almost surely, 21028828848824 is an apocalyptic number.

1028828848824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1028828848824 is an abundant number, since it is smaller than the sum of its proper divisors (2265450763176).

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

1028828848824 is a wasteful number, since it uses less digits than its factorization.

1028828848824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70390637 (or 70390630 counting only the distinct ones).

The product of its (nonzero) digits is 33554432, while the sum is 63.

The spelling of 1028828848824 in words is "one trillion, twenty-eight billion, eight hundred twenty-eight million, eight hundred forty-eight thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 29 36 42 56 58 63 72 84 87 116 126 168 174 203 232 252 261 348 406 504 522 609 696 812 1044 1218 1624 1827 2088 2436 3654 4872 7308 14616 70390589 140781178 211171767 281562356 422343534 492734123 563124712 633515301 844687068 985468246 1267030602 1478202369 1689374136 1970936492 2041327081 2534061204 2956404738 3941872984 4082654162 4434607107 5068122408 5912809476 6123981243 8165308324 8869214214 11825618952 12247962486 14289289567 16330616648 17738428428 18371943729 24495924972 28578579134 35476856856 36743887458 42867868701 48991849944 57157158268 73487774916 85735737402 114314316536 128603606103 146975549832 171471474804 257207212206 342942949608 514414424412 1028828848824