Search a number
-
+
74859707040 = 2535155957723
BaseRepresentation
bin100010110110111111…
…1000111101010100000
321011020002202010200020
41011231333013222200
52211303041111130
654220131153440
75260044003516
oct1055577075240
9234202663606
1074859707040
1129825397988
1212612445880
1370a01c5751
1438a21d84b6
151e320a3e10
hex116dfc7aa0

74859707040 has 48 divisors (see below), whose sum is σ = 235808078688. Its totient is φ = 19962588416.

The previous prime is 74859707011. The next prime is 74859707063. The reversal of 74859707040 is 4070795847.

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

It is a super-2 number, since 2×748597070402 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77978382 + ... + 77979341.

It is an arithmetic number, because the mean of its divisors is an integer number (4912668306).

Almost surely, 274859707040 is an apocalyptic number.

It is an amenable number.

74859707040 is an abundant number, since it is smaller than the sum of its proper divisors (160948371648).

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

74859707040 is a wasteful number, since it uses less digits than its factorization.

74859707040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155957741 (or 155957733 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 74859707040 in words is "seventy-four billion, eight hundred fifty-nine million, seven hundred seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 155957723 311915446 467873169 623830892 779788615 935746338 1247661784 1559577230 1871492676 2339365845 2495323568 3119154460 3742985352 4678731690 4990647136 6238308920 7485970704 9357463380 12476617840 14971941408 18714926760 24953235680 37429853520 74859707040