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42820977570 = 2357203909417
BaseRepresentation
bin100111111000010101…
…000100001110100010
311002112021020001020020
4213320111010032202
51200144132240240
631401030054310
73044100206130
oct477025041642
9132467201206
1042820977570
1117184364268
1283707aa396
134065645b67
1421030d2750
1511a94b70d0
hex9f85443a2

42820977570 has 32 divisors (see below), whose sum is σ = 117451824768. Its totient is φ = 9787651968.

The previous prime is 42820977553. The next prime is 42820977581. The reversal of 42820977570 is 7577902824.

It is a super-2 number, since 2×428209775702 (a number of 22 digits) contains 22 as substring.

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, 101954499 + ... + 101954918.

It is an arithmetic number, because the mean of its divisors is an integer number (3670369524).

Almost surely, 242820977570 is an apocalyptic number.

42820977570 is an abundant number, since it is smaller than the sum of its proper divisors (74630847198).

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

42820977570 is a wasteful number, since it uses less digits than its factorization.

42820977570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203909434.

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

The spelling of 42820977570 in words is "forty-two billion, eight hundred twenty million, nine hundred seventy-seven thousand, five hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 203909417 407818834 611728251 1019547085 1223456502 1427365919 2039094170 2854731838 3058641255 4282097757 6117282510 7136829595 8564195514 14273659190 21410488785 42820977570