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70213143442 = 213179103114633
BaseRepresentation
bin100000101100100000…
…1111000101110010010
320201020021102020201011
41001121001320232102
52122244031042232
652131103201134
75033642605051
oct1013101705622
9221207366634
1070213143442
1127860541982
12117362a61aa
13680c654230
14358105a398
151c5e1b4547
hex1059078b92

70213143442 has 32 divisors (see below), whose sum is σ = 114173297280. Its totient is φ = 32191570560.

The previous prime is 70213143431. The next prime is 70213143493. The reversal of 70213143442 is 24434131207.

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, 4790958 + ... + 4805590.

It is an arithmetic number, because the mean of its divisors is an integer number (3567915540).

Almost surely, 270213143442 is an apocalyptic number.

70213143442 is a deficient number, since it is larger than the sum of its proper divisors (43960153838).

70213143442 is a wasteful number, since it uses less digits than its factorization.

70213143442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15858.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 70213143442 its reverse (24434131207), we get a palindrome (94647274649).

The spelling of 70213143442 in words is "seventy billion, two hundred thirteen million, one hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 13 26 179 358 1031 2062 2327 4654 13403 14633 26806 29266 184549 190229 369098 380458 2399137 2619307 4798274 5238614 15086623 30173246 34050991 68101982 196126099 392252198 2700505517 5401011034 35106571721 70213143442