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53031361040 = 2457113838043
BaseRepresentation
bin110001011000111010…
…100101101000010000
312001212211212021012222
4301120322211220100
51332102012023130
640210130040212
73555111063020
oct613072455020
9161784767188
1053031361040
1120543903509
12a340119068
135001ab4898
1427d117ba80
1515a5a80ce5
hexc58ea5a10

53031361040 has 80 divisors (see below), whose sum is σ = 142159079808. Its totient is φ = 18021255168.

The previous prime is 53031361039. The next prime is 53031361087. The reversal of 53031361040 is 4016313035.

It is a tau number, because it is divible by the number of its divisors (80).

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, 355742 + ... + 482301.

Almost surely, 253031361040 is an apocalyptic number.

It is an amenable number.

53031361040 is an abundant number, since it is smaller than the sum of its proper divisors (89127718768).

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

53031361040 is a wasteful number, since it uses less digits than its factorization.

53031361040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838176 (or 838170 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 53031361040 its reverse (4016313035), we get a palindrome (57047674075).

The spelling of 53031361040 in words is "fifty-three billion, thirty-one million, three hundred sixty-one thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 113 140 226 280 452 560 565 791 904 1130 1582 1808 2260 3164 3955 4520 6328 7910 9040 12656 15820 31640 63280 838043 1676086 3352172 4190215 5866301 6704344 8380430 11732602 13408688 16760860 23465204 29331505 33521720 46930408 58663010 67043440 93860816 94698859 117326020 189397718 234652040 378795436 469304080 473494295 662892013 757590872 946988590 1325784026 1515181744 1893977180 2651568052 3314460065 3787954360 5303136104 6628920130 7575908720 10606272208 13257840260 26515680520 53031361040