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42700348845 = 32571121120303
BaseRepresentation
bin100111110001001000…
…111001110110101101
311002012212020110201200
4213301020321312231
51144422242130340
631341040400113
73041103655650
oct476110716655
9132185213650
1042700348845
1117122263100
128338316039
13404665ba0b
1420d1091897
15119dada330
hex9f1239dad

42700348845 has 72 divisors (see below), whose sum is σ = 92976269568. Its totient is φ = 17745583680.

The previous prime is 42700348829. The next prime is 42700348903. The reversal of 42700348845 is 54884300724.

It is a happy number.

It is not a de Polignac number, because 42700348845 - 24 = 42700348829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42700348845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 522037 + ... + 598266.

Almost surely, 242700348845 is an apocalyptic number.

42700348845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42700348845 is an abundant number, since it is smaller than the sum of its proper divisors (50275920723).

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

42700348845 is a wasteful number, since it uses less digits than its factorization.

42700348845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120343 (or 1120329 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 42700348845 in words is "forty-two billion, seven hundred million, three hundred forty-eight thousand, eight hundred forty-five".

Divisors: 1 3 5 7 9 11 15 21 33 35 45 55 63 77 99 105 121 165 231 315 363 385 495 605 693 847 1089 1155 1815 2541 3465 4235 5445 7623 12705 38115 1120303 3360909 5601515 7842121 10082727 12323333 16804545 23526363 36969999 39210605 50413635 61616665 70579089 86263331 110909997 117631815 135556663 184849995 258789993 352895445 406669989 431316655 554549985 677783315 776369979 948896641 1220009967 1293949965 2033349945 2846689923 3881849895 4744483205 6100049835 8540069769 14233449615 42700348845