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1868073746 = 272112263599
BaseRepresentation
bin110111101011000…
…1000101100010010
311211012002222102112
41233112020230102
512311211324441
6505211145322
764202236100
oct15726105422
94735088375
101868073746
1187952a500
12441745242
1323a035ba6
1413a156c70
15ae0034eb
hex6f588b12

1868073746 has 72 divisors (see below), whose sum is σ = 3602491200. Its totient is φ = 723843120.

The previous prime is 1868073677. The next prime is 1868073791. The reversal of 1868073746 is 6473708681.

It is a junction number, because it is equal to n+sod(n) for n = 1868073694 and 1868073703.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3118355 + ... + 3118953.

It is an arithmetic number, because the mean of its divisors is an integer number (50034600).

Almost surely, 21868073746 is an apocalyptic number.

1868073746 is a deficient number, since it is larger than the sum of its proper divisors (1734417454).

1868073746 is a wasteful number, since it uses less digits than its factorization.

1868073746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 1868073746 is about 43221.2187010038. The cubic root of 1868073746 is about 1231.5857982599.

The spelling of 1868073746 in words is "one billion, eight hundred sixty-eight million, seventy-three thousand, seven hundred forty-six".

Divisors: 1 2 7 11 14 22 49 77 98 121 154 242 263 526 539 599 847 1078 1198 1694 1841 2893 3682 4193 5786 5929 6589 8386 11858 12887 13178 20251 25774 29351 31823 40502 46123 58702 63646 72479 92246 141757 144958 157537 222761 283514 315074 322861 445522 507353 645722 1014706 1102759 1559327 1732907 2205518 3118654 3465814 3551471 7102942 7719313 12130349 15438626 19061977 24260698 38123954 84912443 133433839 169824886 266867678 934036873 1868073746