Search a number
-
+
34945272040 = 23573133112163
BaseRepresentation
bin100000100010111001…
…101000100011101000
310100012101200202021211
4200202321220203220
51033031442201130
624015330242504
72344655624410
oct404271504350
9110171622254
1034945272040
1113902771118
126933126434
1333abaa1583
141997141640
15d97d6ea2a
hex822e688e8

34945272040 has 128 divisors (see below), whose sum is σ = 93045841920. Its totient is φ = 11558764800.

The previous prime is 34945272013. The next prime is 34945272077. The reversal of 34945272040 is 4027254943.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 34945271984 and 34945272002.

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, 2866999 + ... + 2879161.

It is an arithmetic number, because the mean of its divisors is an integer number (726920640).

Almost surely, 234945272040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34945272040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46522920960).

34945272040 is an abundant number, since it is smaller than the sum of its proper divisors (58100569880).

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

34945272040 is a wasteful number, since it uses less digits than its factorization.

34945272040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12543 (or 12539 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 34945272040 in words is "thirty-four billion, nine hundred forty-five million, two hundred seventy-two thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 31 35 40 56 62 70 124 140 155 217 248 280 310 331 434 620 662 868 1085 1240 1324 1655 1736 2170 2317 2648 3310 4340 4634 6620 8680 9268 10261 11585 12163 13240 18536 20522 23170 24326 41044 46340 48652 51305 60815 71827 82088 85141 92680 97304 102610 121630 143654 170282 205220 243260 287308 340564 359135 377053 410440 425705 486520 574616 681128 718270 754106 851410 1436540 1508212 1702820 1885265 2639371 2873080 3016424 3405640 3770530 4025953 5278742 7541060 8051906 10557484 13196855 15082120 16103812 20129765 21114968 26393710 28181671 32207624 40259530 52787420 56363342 80519060 105574840 112726684 124804543 140908355 161038120 225453368 249609086 281816710 499218172 563633420 624022715 873631801 998436344 1127266840 1248045430 1747263602 2496090860 3494527204 4368159005 4992181720 6989054408 8736318010 17472636020 34945272040