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670040407340 = 22540578257831
BaseRepresentation
bin10011100000000011000…
…01010011110100101100
32101001111021020101210222
421300001201103310230
541434220321013330
61231451243150512
766260140330223
oct11600141236454
92331437211728
10670040407340
11239187384267
12a9a37215438
134b252581c15
14246043b7cba
1512668cb10e5
hex9c01853d2c

670040407340 has 24 divisors (see below), whose sum is σ = 1407431854752. Its totient is φ = 267950067840.

The previous prime is 670040407301. The next prime is 670040407423. The reversal of 670040407340 is 43704040076.

It is a self number, because there is not a number n which added to its sum of digits gives 670040407340.

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, 4047776 + ... + 4210055.

It is an arithmetic number, because the mean of its divisors is an integer number (58642993948).

Almost surely, 2670040407340 is an apocalyptic number.

It is an amenable number.

670040407340 is an abundant number, since it is smaller than the sum of its proper divisors (737391447412).

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

670040407340 is a wasteful number, since it uses less digits than its factorization.

670040407340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8261897 (or 8261895 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 670040407340 in words is "six hundred seventy billion, forty million, four hundred seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 4057 8114 16228 20285 40570 81140 8257831 16515662 33031324 41289155 82578310 165156620 33502020367 67004040734 134008081468 167510101835 335020203670 670040407340