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2920621632 = 263196411249
BaseRepresentation
bin1010111000010101…
…0010011001000000
321112112122221200120
42232011102121000
521440134343012
61201451020240
7132242605605
oct25605223100
97475587616
102920621632
111269684295
1269613a680
133771110a6
141d9c626ac
1512161458c
hexae152640

2920621632 has 112 divisors (see below), whose sum is σ = 8153400000. Its totient is φ = 920125440.

The previous prime is 2920621579. The next prime is 2920621687. The reversal of 2920621632 is 2361260292.

It is a junction number, because it is equal to n+sod(n) for n = 2920621593 and 2920621602.

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, 2337744 + ... + 2338992.

Almost surely, 22920621632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2920621632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4076700000).

2920621632 is an abundant number, since it is smaller than the sum of its proper divisors (5232778368).

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

2920621632 is a wasteful number, since it uses less digits than its factorization.

2920621632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 1914 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 2920621632 is about 54042.7759464667. The cubic root of 2920621632 is about 1429.4153203355.

The spelling of 2920621632 in words is "two billion, nine hundred twenty million, six hundred twenty-one thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 152 192 228 304 456 608 641 912 1216 1249 1282 1824 1923 2498 2564 3648 3747 3846 4996 5128 7494 7692 9992 10256 12179 14988 15384 19984 20512 23731 24358 29976 30768 36537 39968 41024 47462 48716 59952 61536 71193 73074 79936 94924 97432 119904 123072 142386 146148 189848 194864 239808 284772 292296 379696 389728 569544 584592 759392 779456 800609 1139088 1169184 1518784 1601218 2278176 2338368 2401827 3202436 4556352 4803654 6404872 9607308 12809744 15211571 19214616 25619488 30423142 38429232 45634713 51238976 60846284 76858464 91269426 121692568 153716928 182538852 243385136 365077704 486770272 730155408 973540544 1460310816 2920621632