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7850380512 = 253136290369
BaseRepresentation
bin1110100111110101…
…10100110011100000
3202021002212122112210
413103322310303200
5112034144134022
63334552522120
7365353063512
oct72372646340
922232778483
107850380512
113369376087
1216310b0340
13981548490
1454687bbb2
1530e2e3a0c
hex1d3eb4ce0

7850380512 has 48 divisors (see below), whose sum is σ = 22192425360. Its totient is φ = 2415501312.

The previous prime is 7850380501. The next prime is 7850380519. The reversal of 7850380512 is 2150830587.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7850380519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3143937 + ... + 3146432.

It is an arithmetic number, because the mean of its divisors is an integer number (462342195).

Almost surely, 27850380512 is an apocalyptic number.

It is an amenable number.

7850380512 is an abundant number, since it is smaller than the sum of its proper divisors (14342044848).

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

7850380512 is a wasteful number, since it uses less digits than its factorization.

7850380512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290395 (or 6290387 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 7850380512 is about 88602.3730607708. The cubic root of 7850380512 is about 1987.4531623629.

The spelling of 7850380512 in words is "seven billion, eight hundred fifty million, three hundred eighty thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 6290369 12580738 18871107 25161476 37742214 50322952 75484428 81774797 100645904 150968856 163549594 201291808 245324391 301937712 327099188 490648782 603875424 654198376 981297564 1308396752 1962595128 2616793504 3925190256 7850380512