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42723449230 = 25711120146199
BaseRepresentation
bin100111110010100001…
…000001100110001110
311002021110201002111111
4213302201001212032
51144444200333410
631343223442234
73041504220010
oct476241014616
9132243632444
1042723449230
1117134300830
128343bb637a
13404b389397
1420d41861b0
1511a0b4eb8a
hex9f284198e

42723449230 has 64 divisors (see below), whose sum is σ = 95959987200. Its totient is φ = 13305024000.

The previous prime is 42723449221. The next prime is 42723449257. The reversal of 42723449230 is 3294432724.

It is a happy number.

It is a super-2 number, since 2×427234492302 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 901671 + ... + 947869.

It is an arithmetic number, because the mean of its divisors is an integer number (1499374800).

Almost surely, 242723449230 is an apocalyptic number.

42723449230 is an abundant number, since it is smaller than the sum of its proper divisors (53236537970).

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

42723449230 is a wasteful number, since it uses less digits than its factorization.

42723449230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47425.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 42723449230 in words is "forty-two billion, seven hundred twenty-three million, four hundred forty-nine thousand, two hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 1201 2402 6005 8407 12010 13211 16814 26422 42035 46199 66055 84070 92398 92477 132110 184954 230995 323393 461990 462385 508189 646786 924770 1016378 1616965 2540945 3233930 3557323 5081890 7114646 17786615 35573230 55484999 110969998 277424995 388394993 554849990 610334989 776789986 1220669978 1941974965 3051674945 3883949930 4272344923 6103349890 8544689846 21361724615 42723449230