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672161775213 = 3435210556397
BaseRepresentation
bin10011100011111111111…
…01101011111001101101
32101020222002222001110110
421301333331223321231
542003041403301323
61232441543330233
766363536551215
oct11617775537155
92336862861413
10672161775213
1123a075887355
12aa329750979
134b4ccc11996
1424766027245
1512740149793
hex9c7ff6be6d

672161775213 has 8 divisors (see below), whose sum is σ = 917057926048. Its totient is φ = 437686737264.

The previous prime is 672161775209. The next prime is 672161775217. The reversal of 672161775213 is 312577161276.

It is an interprime number because it is at equal distance from previous prime (672161775209) and next prime (672161775217).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 672161775213 - 22 = 672161775209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672161775217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2605278070 + ... + 2605278327.

It is an arithmetic number, because the mean of its divisors is an integer number (114632240756).

Almost surely, 2672161775213 is an apocalyptic number.

It is an amenable number.

672161775213 is a deficient number, since it is larger than the sum of its proper divisors (244896150835).

672161775213 is a wasteful number, since it uses less digits than its factorization.

672161775213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210556443.

The product of its digits is 740880, while the sum is 48.

The spelling of 672161775213 in words is "six hundred seventy-two billion, one hundred sixty-one million, seven hundred seventy-five thousand, two hundred thirteen".

Divisors: 1 3 43 129 5210556397 15631669191 224053925071 672161775213