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70671001040 = 2454743143609
BaseRepresentation
bin100000111010001010…
…0011110010111010000
320202102011221211020222
41001310110132113100
52124213234013130
652244340452212
75051202411623
oct1016424362720
9222364854228
1070671001040
1127a75a35092
12118436aa068
1368834725a3
1435c5ba1dba
151c894a5ce5
hex107451e5d0

70671001040 has 80 divisors (see below), whose sum is σ = 168199234560. Its totient is φ = 27602119680.

The previous prime is 70671001039. The next prime is 70671001081. The reversal of 70671001040 is 4010017607.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1598756 + ... + 1642364.

It is an arithmetic number, because the mean of its divisors is an integer number (2102490432).

Almost surely, 270671001040 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 70671001040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84099617280).

70671001040 is an abundant number, since it is smaller than the sum of its proper divisors (97528233520).

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

70671001040 is a wasteful number, since it uses less digits than its factorization.

70671001040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44100 (or 44094 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

Adding to 70671001040 its reverse (4010017607), we get a palindrome (74681018647).

The spelling of 70671001040 in words is "seventy billion, six hundred seventy-one million, one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 47 80 94 188 235 376 431 470 752 862 940 1724 1880 2155 3448 3760 4310 6896 8620 17240 20257 34480 40514 43609 81028 87218 101285 162056 174436 202570 218045 324112 348872 405140 436090 697744 810280 872180 1620560 1744360 2049623 3488720 4099246 8198492 10248115 16396984 18795479 20496230 32793968 37590958 40992460 75181916 81984920 93977395 150363832 163969840 187954790 300727664 375909580 751819160 883387513 1503638320 1766775026 3533550052 4416937565 7067100104 8833875130 14134200208 17667750260 35335500520 70671001040