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70000340340 = 22357571291887
BaseRepresentation
bin100000100110001011…
…0000110110101110100
320200200102222201201210
41001030112012311310
52121330041342330
652054022121420
75025450034620
oct1011426066564
9220612881653
1070000340340
1127761404847
1211696b80270
1367a7536538
143560aa4180
151c4a67b8b0
hex104c586d74

70000340340 has 96 divisors (see below), whose sum is σ = 224394153984. Its totient is φ = 15972001920.

The previous prime is 70000340327. The next prime is 70000340387. The reversal of 70000340340 is 4304300007.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 93877 + ... + 385763.

It is an arithmetic number, because the mean of its divisors is an integer number (2337439104).

Almost surely, 270000340340 is an apocalyptic number.

70000340340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70000340340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112197076992).

70000340340 is an abundant number, since it is smaller than the sum of its proper divisors (154393813644).

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

70000340340 is a wasteful number, since it uses less digits than its factorization.

70000340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292477 (or 292475 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

Adding to 70000340340 its reverse (4304300007), we get a palindrome (74304640347).

The spelling of 70000340340 in words is "seventy billion, three hundred forty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 571 1142 1713 2284 2855 3426 3997 5710 6852 7994 8565 11420 11991 15988 17130 19985 23982 34260 39970 47964 59955 79940 119910 239820 291887 583774 875661 1167548 1459435 1751322 2043209 2918870 3502644 4086418 4378305 5837740 6129627 8172836 8756610 10216045 12259254 17513220 20432090 24518508 30648135 40864180 61296270 122592540 166667477 333334954 500002431 666669908 833337385 1000004862 1166672339 1666674770 2000009724 2333344678 2500012155 3333349540 3500017017 4666689356 5000024310 5833361695 7000034034 10000048620 11666723390 14000068068 17500085085 23333446780 35000170170 70000340340